Part-Part-Whole
Making 10
Addition Problems
Subtraction Problems
100

What is missing? 3+4=___

 3+4=7

100
4 and what number make 10
6
100

What is second addition problem that I can make using the Commutative Property?

3+5=8

5+3=8

100

8 children were arguing over crayons. Some children went to get the teacher. Now there are 4 children left. How many children went to get the teacher? Use a math drawing to help you solve the problem.

8-_=4

4 Student used a correct math drawing to solve the problem.

200

What is missing? 7+3=__

7+3=10

200
3 and what number make 10
7
200

Solve the problem. How did you get your answer.

4+_=9

5. I counted up, I counted backwards, I subtracted

200
There are 6 flowers in the garden. 2 are wilted. How many flowers in the garden are healthy? Show the subtraction sentence you used to solve the problem and answer in a statement
6-2=4 4 flowers are healthy.
300

What is missing? 5+__=9

Completed number bond for 5+4=9

300
Create a math problem that equals 10
Any addition problem that equals 10
300

Kathy and her sister always have the same amount of candy. Kathy has 5 pieces of candy. How much candy do Kathy and her sister have? How did you know?

5+_=_

10 pieces of candy.

5+5=10

300

There are 7 teachers in a book club. Some more teachers join the club. Now there are 9 teachers. How many teachers joined the club? Show the subtraction sentence you used to solve the problem and answer the question in a statement.

7+_=9

9-7=2 2 teachers joined the book club.

400

What is missing?  __+2=8

Completed number bond for 6+2=8

400
Name two addition problems (that are fact families) that equal ten.
Any two addition problems that are fact families and equal ten.
400

Grade 2 - Try regrouping:

68+19=

87

400
There are 10 friends talking about the football game. 8 friends watched the game. How many friends did not watch the game? Show the subtraction problem you used to solve the problem and answer the question in a statement.
10-8=2 Two friends did not watch the game.
500

What is missing? 10-___=7

Completed number bond for 10-3=7 10 is the whole

500
Name a subtraction problem with ten as the whole ex: 10-___=____
Any subtraction problem with ten as the whole.
500

Which is equal?

a. 6+7+2 = 3+7+2

b. 6+7+2 = 6+7+1

c. 6+7+2 = 7+2+6

c. 6+7+2=7+2+6

500

Charlie says you can use an addition problem to solve a subtraction problem. He says to solve 3-2=__ just add 3+2. How is Charlie right? How is he wrong?

3+2=5 3-2=1 this is wrong But addition problems do help solve subtraction problems in the same fact family. 2+1=3 helps to solve 3-2=1

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