Practicing thie Relationsliip: Plus/Minus One and Two Rolling On ...

Practicing thie Relationsliip: Plus/Minus One and Two Rolling On Materials: • Die or spinner labeled +1, +2,-1, -2, "one more", and "two more." « Use with another die labeled 4, 5, 6, 7,8, and 9. • Journal Procedure: • Player 1 rolls the dice and says the complete math fact with the sum. • Player 1 writes the corresponding number sentence in his/her journal. • Player 2 repeats the procedure. , ———— Reflection: Are these problems easy or hard for you? Explain your answer.

Practicing the Relationship: Plus/Minus One and Two Match Up Materials: • Match up cards (plus 1 and plus 2] Procedure: • Player begins with a number, match that with the number that is two more, and then connect that with the corresponding basic fact. Reflection: Are these problems easy or hard for you? Explain your answer.

Practicing tiie Relationsliip: Plus/Minus One and Two Lotto-Board Match Up Materials: • Boards • +1, +2, -1, and -2 fact cards • Journal Procedure: • Match the fact cards on the board to the correct place. • Find the sum or difference. • Write the number sentence in their journal. Reflection: • Are these problems easy or hard for you? Explain your answer.

Practicing the Relationship: Plus/Minus One and Two Counting on 1 or 2 Materials: • Numeral Cards (6 each of numbers 1-9) • Plus 1, plus 2 cards Procedure: • Choose one "plus" card [1 or 2) and place it face-up next to the deck of numeral cards that has been placed face down. • The first player turns over the top card and places it next to the "plus" card. The first player states the addition fact, example, 6 plus 1 is 7. • The second player turns over the card and states the addition fact. • When the addition fact is a double (1+1 or 2+2) the player who turned over the card gets to keep the stack of cards, leaving the "plus" card for further play. • Play continues until the deck is gone. The winner has the most cards. Reflection: • Are these problems easy or hard for you? Explain your answer.

Practicing tlie Relationship: Think Addition Missing-Number Cards Materials: • Missing-Number Cards • Journal

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Procedure: • Shuffle cards and put them face down. • Select the top card. • Find the missing number. • Write the related number sentences in this fact family.

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Reflection: • How did you find the missing number circled number? • How did you find the missing number if it wasn't a circled number?

Practicing the Relationship: Think Addition Missing-Number Materials: • Missing-Part Worksheets • Journal Procedure: • Fill in the missing numbers on each card • Write the addition fact and subtraction facts for each card. Reflection: • What strategies did you use to help you find the missing number? • How is addition and subtraction related?

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Practicing tlie Relationship: Make Ten Make Ten Flash Cards Materials: • Flash cards of all the basic facts that have an 8 or 9 in them. ® Double Ten-Frames • Unifix Cubes • Journal

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Procedure: • Place the flash cards face down. • Turn the top flash card over. • Build the fact on double ten frames. • Slide the fewest number of cubes to fill one ten-frame. • Draw the ten-frames and then number sentence in your journal. Reflection: • How does the "Make Ten" strategy help me find the sums of these facts? • Does this strategy work for you? Why or why not?

Practicing the Relationship: Make Ten Make Ten Dominos Materials: • Dominos with 9 and 8 pips [dots) on at least one side • Journal Procedure: • Turn dominos face down. • Pick one domino and turn it over. • Use the "Make Ten" strategy to find the sum. • Write the number sentence that corresponds with the domino in your journal. Reflection: • How does the "Make Ten" strategy help me find the sums of these facts? • Does this strategy work for you? Why or why not? ••e ••• ••• ••• ••• ••• ••• ••• • c ••• ••• • • • • •• •• •••

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Practicing the Relationship: Plus and Minus Zero Does It Always Work? Materials: • Calculator • Journal » 0-18 Spinner Addition Procedure: • Spin the spinner and enter that number in a calculator. • Press the + Key. • Press the 0 Key. • Press the = Key. • Look at the answer. • Write the number sentence in your journal. • Repeat at least 5 more times. Subtraction Procedure: • Spin the spinner and enter that number in a calculator. • Press the - Key. • Press the 0 Key. • Press the = Key. • Look at the answer. • Write the number sentence in your journal. • Repeat at least 5 more times. Reflection: Look at these statements: "Zero added with another number equals that number." "You can take away zero from a number, and you get that number back. Are these statements true or false? Explain your answer.

Practicing the Relationship: Ten

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Outside the Circle

Number Sentence

Color Tile Toss Materials: « Yarn Circle ® 10 color tiles » Journal Procedure: • Players draw the recording chart into their journals • Player 1 stands a distance from the circle and tosses one color tile at a time toward the circle until all 10 color tiles have been tossed. • Player 2 records how many landed inside the circle and how many landed outside the circle. • Players trade roles until both players have had 4 turns to toss the color tiles. • Players write the number sentences in the chart. Reflection: • What did you notice about your charts? • Did you and your partner have the same number sentences? Why or why not?

Practicing the Relationship: Ten Towers of Ten Materials: • Unifix cubes • Journal Procedure: • Build a tower of 10 unifx cubes. • Break the tower into parts. •

Draw your towers and record the quantity of each tower.

Reflection: • Why is it important to know all the different ways to make 10? • Can making ten help me with larger numbers? Explain.

Practicing tlie Relationship: Ten Say the Ten Fact Materials: • Ten-frame dot cards • Journal Procedure: • Select a card and say the "ten fact" For a card with 7 dots, the response is "seven and three is ten." • Write the number sentence. 7 + 3 = 10 • Write the number sentence. 10 - 3 = 10 Reflection: • How can knowing my 10 facts help me with other facts?

Practicing the Relationship: Ten Give Me Ten Materials: • Ten-frame Cards • Journal Procedure: • Shuffle the deck of cards. • Deal each player four or five cards. • Place the remaining cards face down in the center. • If players have "tens" using two cards, they can place them on the table. Everyone must agree that the pairs are correct • Moving clockwise, player one asks the next player for a specific card. If the player has the card, it is handed over to make a ten. If the player does not have the card, the player is told to "go fish." • The game is over when all cards have been played. • Each pair is equal to a point. Players list their pairs in their journal. Reflection: What strategy did you use to know which cards to ask for? • How many different ways did you find to make ten?

Practicing tlie Relationship: Doubles Calculator Doubles Materials: • Calculator • Number Cards [0-9) • Journal Procedure: « Shuffle cards and place them face down. • First person enters the "double maker" [2 x ) into the calculator. • The second person turns over the top card and says the double. Example, "Seven plus seven." • The person with the calculator should enter the number and try and give the sum ofthe double. • The person then presses (=) to see the correct double on the display. Reflection: • Were you able to find the correct sums? • Why do you think the "double maker" [2 x ) works?

Practicing the Relationship: Doubles Double Images Materials: • Construction Paper • Glue • Drawing tools •

Optional- access to computer images

Procedure: •

Find or draw pictures cards for each of the doubles and include the basic fact.

Reflection: • How can these cards help me remember the doubles? • Was it easy to find real-life objects that show doubles?

Practicing the Relationship: Doubles Double Dominos Materials: • Dominos • Journal Procedure: • Find all the dominos that have doubles. • Write the number sentences with the sums. • Write the corresponding subtraction sentences.

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Reflection: • What strategy do you use to remember the doubles?

Practicing the Relationship: Doubles Double That Number Materials: • 10-sided die or 0-6 die • Journal Procedure: • Roll a single die with numerals or dot sets and say the complete doublesplus-one fact. Example, for 7, student should say, "Seven plus 7 is fourteen." • Student writes the number sentences in his/her journal. 7+7=14 • Student writes the corresponding subtraction number sentence. 14-7=7 Reflection: • Are double facts easy for you to remember? Explain why or why not? • How does knowing my doubles facts help me?

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Practicing thie Relationship: Near Doubles Near Doubles Flash Cards Materials: • Flash cards with doubles and near doubles facts • Journal Procedure: • Place the flash cards face down. • Turn over the top flash cards. If it is a near double shout "Double Plus One!" or "Double Minus One!" • Say the fact and the sum. • Write the fact in your journal. Reflection: • How does knowing my doubles help me find the sums and differences in these math facts? • Will this strategy work with larger numbers? Explain and give examples.

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Practicing the Relationship: Near Doubles Near Doubles Concentration Materials: • Flash cards with doubles and near doubles facts • Journal

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Procedure: • Match the near double with the double fact that helps it. • Write the double fact and the near double fact with the sums in your journal. (4+4, 5+4] •

Write the subtraction facts that are in the same fact family. (8 - 4, 9 - 4, 9 - 5]

Reflection: • How does knowing my doubles help me find the sums and differences in these math facts? • Will this work with larger numbers? Explain and give examples.

Practicing the Relationship: Near Doubles Double Dice Plus One Materials: • 10-sided die or 0-6 die • Journal

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Procedure: ® Roll a single die with numerals or dot sets and say the complete doublesplus-one fact. Example, for 7, student should say, "Seven plus 8 is fifteen or seven plus seven plus one is fifteen." • Student writes the three number sentences in his/her journal. 7+7+1=15, 8 8 - 1 = 15, and 7+8=15. Reflection: • How does knowing my doubles facts help me find the sums to these facts? • Will this strategy work with larger numbers? Explain and give examples.

Practicing the Relationship: Near Doubles Double Dominos Materials: • Dominos • Journal Procedure: • Find all the dominos that have facts with doubles and near doubles. • Write the number sentences and the turn around facts with their sums. Reflection: • How does knowing the doubles help me find the sums to these facts? • Will this strategy work with larger numbers? Explain and give examples.

Practicing tlie Relationship: Associative Property of Addition Three Rolls ofthe Die Materials: • 10-sided die • Journal Procedure: • Player 1 rolls the die and writes the number in the first blank of the number sentence. • Player 1 rolls the die and writes the number in the second blank. • Then Player 1 rolls the die and writes the number in the third blank. • Player 1 finds the sum of the three numbers using the parenthesis. [ ) c. + ]+ = • Player 1 then puts the same numbers in the blanks of this number sentence and finds the sum using the parenthesis. ( ) +C + ]= • Player 2 repeats the process. • Play 5 rounds. The player with the largest total of sums wins! Reflection: • How can the associative property of addition help me when finding the sums of addition problems?

Practicing the Relationship: Properties of Addition Roll Them Materials: • 3 10-sided dice • White board Procedure: • Player 1 rolls the 3 dice and finds the sum. • Player 1 records the number sentence on their white board. • Player 2 records the number sentence on their white board but must add the numbers in a different order and compares the sum with player 1. • Player 2 repeats the procedure. Reflection: • Why doesn't it matter what order I add numbers in? • Will this work with larger numbers? • Does order matter in subtraction? Why or why not?

Practicing tlie Relationship: Two-Apart Facts or Doubles Plus Two Does it work? Materials: • Numeral cards [4 of each 0-9) • Journals •

Calculator (optional)

Procedure: • Shuffle cards and place them face down in a pile. • Select two cards and create your number. Example, if 2 and 5 are selected decide ifyou want the number to be 25 or 52. • Add two to your first number to get the second number. (25 becomes 27, 52 becomes 54) • Write the Two-Apart number sentence. (25 + 27) • Find the number that is in the middle (26) and double it to find the sum. Reflection: • Did you find any numbers that this strategy didn't work for? • When would you use this strategy? Explain your answer.

Practicing the Relationship: Two-Apart Facts or Doubles Plus Two Two-Apart Towers Materials: • Two-Apart fact cards • Unifix cubes • Journals Procedure: • Select a fact card. • Build two towers using the numbers on the fact card. • Draw the towers in your journal. • Write the corresponding number sentence with the sum. Reflection: • What strategy did you use to find the sum? • Will this strategy work with larger numbers? Explain.

Practicing tlie Relationship: Commutative Property for Addition Turn-Around Facts Materials: • Wire hanger • Clothespins * 10- sided die * Journal Procedure: • Roll the die and put that number of clothespins on one side of the hanger. • Roll the die again and put that number of clothespins on the other side of the hanger. • Find the sum. • Write the number sentence in your journal. • Turn the hanger around and write the new number sentence. Reflection: • How does the commutative property for addition help me in solving addition problems?

Practicing the Relationship: Commutative Property for Addition Concentration Game Materials: • Flash Cards • Journal Procedure: • Place the flash cards face down on the table. • Player 1 flips two flash cards over. • If these facts are matching "Turn Around Facts, Player 1 says the two number sentences with the correct sum. • If they are not matching "Turn Around Facts, " Player 1 flips them face down. • Player 2 repeats the procedure. Reflection: • How does the commutative property for addition help me in solving addition problems?

Strategy Retrieval Circle the Strategy Materials: ® Laminated worksheet of 100 facts • Dry erase marker ® Strategy Cards Procedure: • Draw a strategy card • Circle only the facts that belong to • Find the answers to those facts.

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Reflection: • Was it easy to find the facts that belong to the strategy? Explain. • How can this activity help me master my facts?

Strategy Retrieval Sort Them as You Do Them Materials: • Set of ordinary flash cards • Strategy Cards Procedure: • Match the flash card with a strategy. • Use the strategy to answer the fact. Reflection: • Was it easy to find the facts that belong to the strategy? Explain. " How can this activity help me master my facts?