(Blank)
Subtraction
Counting on
Base ten
Story Problem
100

5+4=

9

100

6-3=

3

100

What number is 5 after 1?

6

100

Show five ones

5

100

Mrs.Huff has 7 pencils and Aidan gives her 1 more. How many pencils does she have now?

8

200

6+5=

11
200

9-0=

9
200

12, __, 14, 15, 16

13

200

Show a ten and six ones

16

200

There are 8 cows in the field. 7 more join. How many cows are there now?

15

300

10+8=

18

300

12-9=

3

300

19, 20, __, 22, 23

21

300

Show a ten and seven ones

17

300

There are 15 houses in the neighborhood. 6 more are being build. How many houses will there be?

20

400

21+4=

25

400

20-5=

15

400

__, 24, 25, 26, 27

23

400

Build the number 19

19

400

There are 21 students in the class. 5 students leave. How many students are left?

16

500

40+5=

45

500

40-10=

30

500

What is 20 less that 30?

10

500

Build the number 46

46

500

There are 50 seats in the stadium and 30 people sit down. How many seats are left?

20