Grade 4 Math Review

Expanded Form

100

4,572

4000 + 500 + 70 + 2

200

405,689    

400,000 + 5,000 + 600 + 80 + 9

300

391

300 + 90 + 1

400

89,024

80,000 + 9,000 + 20 + 4

500

5,740

5,000 + 700 + 40

Standard Form

100

3,000 + 900 + 40 + 7

3,947

200

500,000 + 70,000 + 6,000 + 300 + 50 + 1

576,351

300

600 + 80 + 9

689

400

10,000 + 4,000 + 200 + 30 + 5

14,235

500

300,000 + 90,000 + 2,000 + 100 + 20 + 6

392,126

Rounding off

100

27

30

200

71

70

300

317

300

400

168

200

500

651

700

Multiply or Divide

100

12 x 4 =

48

200

35 x 3 =

105

300

15 x 4 =

60

400

20 ÷ 4 =

5

500

42 ÷ 7 =

6

Sivpy

100

10 = z + 6

z = 4

200

q - 12 = 1

q = 13

300

r ÷ 3 = 7

r = 21

400

24 = 4c

c = 6

500

9c + 1 = 10

c = 1