Missing addend

Sum up to

Theme

🍊 Eat mandarin together!

Imagine the circle was a mandarin you and mom shared.

Can you figure out how many pieces Mom ate?

There are 5 pieces.

Mom ate 3 pieces.

3+00=5

There are 6 pieces.

Mom ate 6 pieces.

6+00=6

There are 7 pieces.

Mom ate 5 pieces.

5+00=7

There are 14 pieces.

Mom ate 3 pieces.

3+00=14

There are 2 pieces.

Mom ate 2 pieces.

2+00=2

There are 4 pieces.

Mom ate 4 pieces.

4+00=4

There are 16 pieces.

Mom ate 12 pieces.

12+00=16

There are 20 pieces.

Mom ate 18 pieces.

18+00=20

There are 12 pieces.

Mom ate 12 pieces.

12+00=12

There are 7 pieces.

Mom ate 5 pieces.

5+00=7

There are 2 pieces.

Mom ate 2 pieces.

2+00=2

There are 20 pieces.

Mom ate 15 pieces.

15+00=20

There are 3 pieces.

Mom ate 2 pieces.

2+00=3

There are 8 pieces.

Mom ate 4 pieces.

4+00=8

There are 15 pieces.

Mom ate 7 pieces.

7+00=15

What is this?

[Pie version] "Missing Addend" is a fun and interactive math activity for kids. Given one addend and the sum, kids will figure out the other addend. A great way to build addition skills and number sense!

Hints:

Help kids understand the relationship between pies and numbers.
Then from the relationship to math addition.
Let kids write the math equation down!
Have fun! Keep kids busy!