Show:
Addition
Subtraction
Place Value
Shapes
100

1+2 = ?

3

100

2-3 = ?

1

100

What place value is 2 in 12?

Ones Place

100

What shape has 3 sides?

Triangle

200

10+9 = ?

19

200

12-4 = ?

8

200

What place value is 8 in 87?

Tens Place

200

What shape has 4 points and 4 sides?

Quadrilateral 

300

27+8 = ?

35

300

22-9 = ?

12

300

What place value is 3 in 35?

Tens Place

300

What side has 6 sides and 6 points?

Hexagon

400

34+17 = ?

51

400

45-18 = ?

27

400

What place value is 6 in 86?

Ones place

400

What shape has 7 sides and 7 points?

Heptagon
500

123+18 = ?

141

500

139-13 = ?

126

500

What place value is 4 in 456?

Hundreds Place

500

What shape has 8 sides and 8 points?

Octagon