Test Prep Yr 8 Test 1

Order of Operations

100

2 xx 2+2xx3

10

200

(9-5)xx11+4

48

300

35 – 5^2 + (6 – 2)

14

400

1+3×√9+(8-2)/3

12

500

(6^2+2xx2)/(2xx(15-5))×6+2

14

Estimation

100

Estimate the answer to

49 x 12=

500

200

Estimate the answer to

705 x 78=

56,000

300

Estimate the answer to

99 x 35=

4000 or 3500

400

Estimate the answer to

3 x 6.78

21

500

Estimate the answer to

10365 -: 391

25

Rounding

100

Round to the nearest 10

42

40

200

Round to the nearest 1000

37,499

37,000

300

Round to 1 significant figure

9345.22

9000

400

Round to 2 significant figures

1.605 

1.6

500

Round to 3 significant figures

0.019453

0.0195

Squares/Cubes/Roots 1

100

4^2

16

200

7^2

49

300

3^3

27

400

10^2-4^2

84

500

4^3+3^3-5^2

66

Squares/Cubes/Roots 2

100

sqrt(1)

1

200

sqrt(81)

9

300

root(3)(125)

5

400

root(3)(64)+sqrt169

17

500

root(3)(216) xx root(3)(27)+9^2

99