Math Unit 2 Review | Baamboozle - Baamboozle | The Most Fun Classroom Games!

English 19 Public

Addition Strategies, Turn Around Rule, Even Numbers, and Frames and Arrows

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#Unit 2 #everyday math

Add. 3+3 = ?

6

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Add. 8+2=?

10

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8 + ? = 10

2

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Bill knew that he could use 7+3=10 to figure out the sum for 7+4. Explain Bill’s thinking. You may use the double ten frame.

If he knows that 7+3 gives you 10 then all he has to do is add 1 more to get 7+4=11

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Write the helper fact, then write the final answer. 5+4=?

Helper Fact: 4+4=8, 5+4=9

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Write an addition fact for the domino. Write the turn around fact for the domino.

5+0=5, 0+5=5

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Write at least five names for 9.

Nine, > > > > > > > > >, *********, OOOOOOOOO, 8+1, 10-1, 5+4

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Take an odd number of pencils. How many pencils did you take? ____ Write a number model with your number of pencils as the sum. _____________

Ex. 9, 5+4=9

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Write all the doubles facts.

1+1=2, 2+2=4, 3+3=6, 4+4=8, 5+5=10, 6+6=12, 7+7=14, 8+8=16, 9+9=18, 10+10=20

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How much money is there?

21 cents

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Add. 5+5=?

10

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Add. 4+?=8

4

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Write a helper fact, then write the final answer. 6+5=?

Helper fact: 5+5=10, 6+5=11

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Write an addition fact for the domino. Write the turn around fact for the domino.

2+4=6, 4+2=6

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Write at least 5 combinations of 10 facts.

Ex. 1+9=10, 2+8=10, 7+3=10, 9+1=10, 6+4=10

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How much money?

37 cents

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