Mental Maths Formal Assessment 1

900×90

• 72 000

• 81 000

• 71 000

• 63 000

If I double a number and then multiply that answer by 4, my final answer is

1 280 . What number did I start with?

(a)  

How many centimetres in twelve metres?

• 12 000 cm

• 1 200 cm

• 120 cm

• 12 cm

What fraction of the circle is shaded?

•  $\frac{8}{12}$ 

•  $\frac{6}{10}$ 

•  $\frac{1}{2}$ 

 $\frac{5}{8}\ \ \$  of   248 = 

(a)  

What is the simplest form of the fraction  $\frac{18}{27}$  ?

•  $\frac{6}{9}$  

•  $\frac{9}{14}$  

•  $\frac{2}{3}$  

There are 33 biscuits in a bag. The dog ate one third of them. How many biscuits are left in a bag?

• 22 biscuits

• 19 biscuits

• 10 biscuits

• 11 biscuits

I purchase 2 shirts for R 250 each; a pair of pants for R 320 and a Pair of shoes for R 735. How much change do I get if I pay R 2000?

(a)  

4 826 - 6 322 ÷ 2

(a)  

99 =

• (9 x 10) + (9 x 9)
• (9 x 9) + (9 x 2)
• (9 x 10) + (9 x 2)
• (9 x 10) + (9 x 1)

Tags

CCSS.6.NS.B.4