Unit 1

Doubling + Halving

100

15 x 6 

90 

200

30 x 12

360

300

Find 40×25 

1000

400

Find 80×35

2800

500

90×12

1080

Volume

100

Length = 8 cm, Width = 5 cm, Height = 3 cm

120 cm3

200

Length = 15 cm, Width = 6 cm, Height = 4 cm

360 cm3 

300

Length = 9 cm, Width = 7 cm, Height = 3 cm

189 cm3

400

Length = 23 cm, Width = 17 cm, Height = 12 cm

4,692 cm3

500

Length = 45 cm, Width = 29 cm, Height = 18 cm

23,490 cm3

Expressions

100

1 + (3 x 1) + (4x1 ) = 

8

200

1 + (3 x 3) x 2 +1= 

20

300

3×(4×2)+2×(5×3)+1×(6×2)3×(4×2)+2×(5×3)+1×(6×2)

66

400

 6×(4×9)+2×(7×8)+5×(11×3)+3×(8×5) 

613

500

8×(3×10)+3×(12×4)+6×(11×7)+4×(9×6) 

1062

Area Model

100

21 x 11

231

200

42 x 33

1386

300

67 x 76

5,092

400

98 x 87

8526

500

153 x 89 

13,617

Division

100

20 / 5

4 

200

85 / 5

17

300

A group of 57 players need transport. Each van fits 6 players. How many vans are required?

10 vans

400

The principal bought matching school hats for 4 teachers. The total cost was $52. How much did each hat cost?

13 dollars per hat

500

A coach bought 4 water bottles for the team. The total cost was $62. How much did each bottle cost?

15.50 dollars per bottle