addition
subtraction
word problems
tens and ones
100

8+6+2=

16

100

16-5=

11

100

Ned had 15 rocks.

He lost 7. 

How many rocks does he have now?

8

100

What is the value of 6 ones?

6
200

5+9=

14

200

12-9=

3

200

5 shells are in jan's hand.

7 Shells are on the sand. 

5 shells are on the rocks. 

How many shells does jan count?

17

200

What is the value of 2 tens?

20

300

8+7=

15

300

15-7=

8

300

13 cubes are on the desk.

9 cubes fall off.

How many cubes are still on the desk?

4

300

2 tens + 6 ones=

26

400

13+6=

19

400

13-6=

7

400

Mel has 11 cookies.

she gives 5 away.

How many cookies are left?

6

400

Draw a number bond as tens and ones. 

26

See teacher