Repeated addition
Place value
Subtraction
100

2+2+2=?

6

100

Find the place value of 3 in number 37

Tens

100

A shop has 13 diamonds, 5 diamonds are sold, how many are left?

13-5= 8

200

4+4+4+4=?

16

200

What is the place value of 6 in 86?

Units

200

There are 14 cars in parking lot, 7 cars are driven away, what is 14-__ = __

14-7= 7

300

There are three birds and there are two in each group. How many total birds?

6

300

Tell the expanded form of 69.

60+9

400

9×3=? Convert it into repeated addition.

9+9+9= 27

400

Tell the expanded form of 86.

80+6

500

Use a repeated addition to make number 36.

6+6+6+6+6+6

500

Tell the expanded form of 57.

50+7