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Level 4A

Number and Algebra

Chapter 7 - Expressions, formulae and equations

Click on the  graphic to check your answers.

 

PLEASE NOTE:

You will need to print out the following Black Line Master page to complete this Check Up.

Chapter 7 – Check up on level 3

 

 

1

For each of these, what must the value of ? be to make the scales balance?

 

 

 a  b  c 

 

 

2

Work out the missing numbers without doing the calculations.

 

 

a   12 x 16 = 6 x

b   356 + 48 = 48 + 200 +

 

 

3

Find the missing numbers in these equations.
The first one is done for you.

 

 

 a   17 –  = 10 – 4

 

 

b   12 – 3 = 14 –

c   7 + 5 = 3 x

 

 

d   20 – 8 = 25 –

e   50 – 8 = 6 x

 

 f   36 ÷ 4 = 54 ÷ g   4 x 2 = 24 ÷

 

 

h   54 – 6 = 8 x

i   56 ÷ 7 = 25 –

 

 

4

Write these equations with   +   –   ×  or  ÷  in the box to make them true.

 

PLEASE NOTE:

Symbols on the keyboard: Times (x) will be the letter x.  Divide (÷) hold the option key and press ?.

Minus (-) and Plus (+) are as shown on the keyboard.

 

 

a   12 ? 5 = 7   

 

 

 b   4 ? 5 = 10 + 10     

 

 

c   24 ? 6 = 8 ÷ 2   

 

 

d   6 ? 4 = 20 ? 4       &  

 

 

e   3 ? 9 = 30 ? 3       &  

 

 

f    2 ? 4 = 64 ? 8       &  

 

 

5

Skyla multiplied a number by 3 instead of dividing it by 3.
Her answer was 36.
What should her answer have been?

 

 

6

Download Chapter 7 - Check up on level 3

In this square the sum of each row and column is given in each coloured square.
Fill in the missing numbers on your copy.

 

 

 

CLICK HERE TO GO TO CHAPTER 7

 

 

 

 

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