Link to Whiteboard Worksheets home page
tiny squareHome>Whiteboard Worksheets>Number operations and the relationships between them
Bar
Tiny square
Choose the topic:

E: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
19
Understand the operations of addition, subtraction, multiplication and division as they apply to positive and negative numbers.
spacer
An example of a sum puzzle

Add and subtract positive and negative numbers. Write a number in each circle so that the number in each square equals the sum of the two numbers on either side of it.

E1: Sum puzzle

Multiply positive and negative numbers. Write a number in each circle so that the number in each square equals the product of the two numbers on either side of it.

E2: Product puzzle 1

A multiplication table

Complete this multiplication table. Positive and negative numbers are used.

E3: Multiplication table 1
E4:
Multiplication table 2 more difficult

A magic square

E5: Missing numbers: Answer questions such as -12 + Missing number box = -19

Complete the magic squares

E6: 3 x 3 magic square
E7:
4 x 4 magic square

Top of the page
Understand that multiplying does not always make a number larger and that division does not always make a number smaller.
spacer

E8: Multiply by 10, 100 or 1000 eg 0.6 x Missing number box = 60
E9:
Divide by 10, 100 or 1000.

E10: Multiply and divide by 0.1 and 0.01 eg 0.6 x Missing number box = 0.06
E11:
Just multiply
E12:
Just divide

E13: Multiply and divide by an integer power of 10 eg 6.6 x Missing number box = 0.0066
E14:
Just multiply
E15:
Just divide

Top of the page
Understand that addition is the inverse of subtraction, and multiplication is the inverse of division.
link to function machine

I think of a number, add 3.7, then multiply by 5. The answer is 22.5. What is the number?
E16:
Using whole numbers
E17:
Using numbers to one decimal place

A function machine changes the number n to the number 3n + 1.
What does it do to these numbers? 2, 5, 9, 21, 0
What numbers must be input to get these numbers? 10, 37, 100
E18:
Function machine
Top of the page
Order of operations

Load the worksheet
Click to reveal the answers

E19: Mixed operations
eg Find the value of 3 + 6 x 5 + 2. Put in brackets to make the value 45, ie 3 + 6 x (5 + 2) = 45
Use these buttons to generate one problem or a set of 10 problems.

Top of the page

 

Active Maths Limited
registration no: 04713591
e-mail: admin@active-maths.co.uk
29 St James Road, Ilkley, West Yorkshire, LS29 9PY
tel: +44 (0) 1943 431024

Copyright © Active Maths Limited. All rights reserved