Ms Ng Math Revision

Whole numbers

100

36 x 14 = 

504

200

482 x 13 = 

6266

300

176 x 27 = 

4752

400

958 x 37 =

35446

500

1023 x 56 = 

57288

Whole numbers (Division)

100

986 divided by 2

493

200

4077 ÷  9

453

300

9876 ÷  5

1975 R 1

400

5206 divided by 6

867 R 4

Decimals

100

5.4 + 2.7 = 

8.1

200

5.29 + 7.01 = 

12.3 or 12.30

300

37 + 2.56 = 

39.56

400

3.65 x 3 = 

10.95

500

9 divided by 8

1.125

Area and perimeter

100

Length of rectangle is 4 cm. 

Breadth is 3 cm. 

What is the perimeter?

14 cm

200

Length is 4 cm. 

Breadth is 13 cm.

What is the area?

52 cm²

300

Perimeter of figure is 26 cm.

Length is 8cm.

What is the breadth?

8 + 8 = 16 cm

26 - 16 = 10 cm

10cm÷ 2 = 5 cm

400

Area of a square is 36 cm^2.

What is the perimeter?

6 x 6 = 36

Length = 6 cm

Perimeter = 6 + 6 + 6 + 6 = 24 cm

Random

300

Round off 14.5 to the nearest whole number

15

400

Round off 2.459kg to the nearest tenths

2.5kg

500

Round off 152.508 to the nearest hundredths

152.51