subtraction
decompose
addition
measurement
numbers
100

4 - 2 =

2



100

Decompose the number 5

2 + 3

1 + 4

100

6 + 2 =

8

100

Who is taller: Miss Widmayer or Mrs. Hogan?

Mrs. Hogan

100

The number that comes before 32.

33

200

10 - 1 =

9

200

Decompose the number 6

1+5

2+4

3+3

200

5 + 4 =

9

200

Who is the shortest student in our class?

Evangeline

200

The number that comes before 27.

26

300

9 - 5 =

4

300

Decompose the number 8

1+7

2+6

3+5

4+4

300

7 + 5 =

12

300

Who is the tallest in our class?

Lucas

300

The number that comes after 93.

94

400

9 - 9 =

0

400

Decompose the number 9

1+8

2+7

3+6

4+5

400

11 + 2 =

13

400

Who was in the center of our line when we stood tallest to shortest?

Olivia

400

The number that comes before 15.

14

500

12 - 3 =

9

500

Decompose the number 12

1 + 11

2 + 10

500

7 + 7 =

14

500

How long is a ruler?

One foot

500

The number that comes after 118.

119