Free Printable Let's practice

1.

Write 0.0040626 correct to three decimal places

a)

0.00

b)

0.004

c)

0.005

d)

0.04

2.

Round 17.9 to the nearest 10

a)

20

b)

18

c)

17

d)

10

3.

What is the value of $A=\sqrt[]{\frac{25}{9}}$ ?

a)

$A=\frac{5}{9}$

b)

$A=\frac{10}{3}$

c)

$A=\frac{5}{3}$

d)

$A=\frac{5}{6}$

4.

Hanna's gross pay is $303. She pay $30 in tax and $10 in insurance. What is her net pay?

a)

$293

b)

$273

c)

$213

d)

$333

5.

The number 0.74 is correct to two significant figures. What is the lower bound and upper bound? Using x as the number, express the range in which the number line as an inequality.

(lower bound - giới hạn dưới; upper bound - giới hạn trên; inequality - bất đẳng thức)

a)

0.74<x<0.75

b)

$0.735\le x<0.745$

c)

$0.69\le x<0.79$

d)

0.73<x<0.74

6.

The volume of a cube is $343cm^{3\ }$ . What is the side length of this cube?

a)

7cm

b)

17cm

c)

11cm

d)

14cm

7.

Work out $\frac{1}{3^2+\sqrt[]{25}}$

a)

$\frac{1}{9}$

b)

$\frac{1}{24}$

c)

$\frac{1}{14}$

d)

$\frac{1}{25}$

8.

Below is a currency conversion showing the amount of Brazil currency received for 1 euro.

How many euro does it cost for 500 Brazilian reals? Give your answer in 3 significant figures.

a)

193 euro

b)

190 euro

c)

191 euro

d)

192 euro

9.

John invests $5000 for 3 years at a rate of 3% per year simple interest. Work out the value of John’s investment at the end of 3 years

a)

$450

b)

$5450

c)

$550

d)

$9500

10.

Estimate the shaded area of the figure below. Do not work out the exact answer.

a)

34m2

b)

44m2

c)

64m2

d)

54m2

11.

These are the first five terms of a different sequence.

6 13 20 27 34

a)

un = 7n - 1

b)

un = 7n + 7

c)

un = 7n + 1

d)

un = 7n - 7

12.

Given that $x+\sqrt[]{16}=\sqrt[3]{27}$ What is the value of x?

a)

x = 3

b)

x = -1

c)

x = 4

d)

x = 7

13.

Given a geometry sequence following:

1/3 1 3 9 27 81

a)

r=1

b)

r=2

c)

r=3

d)

r=4

14.

In a sale the shop reduces the price, $296.80, of each table by 3% each day until it is sold. Find the number of days until the price first goes below $150.

a)

23 days

b)

22 days

c)

21 days

d)

20 days

Let's practice

Total questions: 14

Worksheet time: 18mins

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