Represent Total Unknowns Using objects

Total Unknowns

100

Ishmael eats 2 apples. Then he eats 5 more. How many apples did he eat all together?

2 + 5 = 7 

5 + 2 = 7 

200

Jennifer has 9 doggies. Then she got 2 more! How many puppies does she have all together?

How many doggies does she have all together?

9 + 2 = 11 

2 + 9 = 11 

300

Neilah has 5 siblings. She got 7 more! How many siblings does she have now?

5 + 7 = 12 

7 + 5 = 12 

Start Unknown

100

__ + 6 = 12

6

200

___ + 9 = 13 

4

300

___ + 7 = 10

3

Unknown Addend

100

5 + ___ = 9 

4

200

10 + ___ = 12 

2

300

___ + ___ = 15 

Correct!

Draw to show

100

9 - 3 

Correct

200

8 + 6

Correct

300

10 - 3 

Correct