Grade 8 Mathematics (2)

Addition

100

What is 7+7?

14

200

What is 14+29?

43

300

What is 126+341?

467

400

What is 2,145+719?

2,864

500

What is

913,743+6,128,417+714,691?

7,756,851

Meter

100

How long kilometers is 2500m?

2.5km

200

How many meters is 71cm?

0.71m

300

The length of one side of the square is 8 cm. What is the perimeter of the square?

32cm

400

How many millimeters is 1km?

1,000,000mm

500

What is km if 1210mm+1179 cm+382m+2km? (until tenth)

2.4km

Square, Square root

100

What is 6²?

36

200

What is √(16)?

4

300

What is 3³+√(9)?

30

400

What is 2⁴ * √(9)?

48

500

What is 2+2²+2³+2⁴+2⁵+√(25)*2?

72

Compare

100

What option is biggest?

a) 11 / b) 1.1

a

200

What option is biggest?

a) 3*3 / b) 8 / c) 10

c

300

What option is biggest?

a) 1/2 / b) 1/3 / c) 1/4

a

400

What option is smallest?

a) 2/3 / b) 3/4 / c) 3/5

c

500

What option is smallest?

a) -10 / b) -2+-2+-2+-2+-2+-2 / c) -11

b

Percentage

100

What is the percentage if 3/5?

60%

200

What is the percentage if 10/8?

125%

300

A cube dice is rolled. What is the probability that there will be no 5?

83%

400

There are 2 wheels with 3 colors. When 2 wheels are spinned, what is the percentage of cases where the colors on both wheels are the same? (until tenth)

33.3%

500

What is the percentage if

1/0.001?

100,000%