Mental-Arithmetic.co.uk

Free Printable PDF Mental Arithmetic Worksheets for Children aged 4-11




Missing Numbers to 20 Worksheets

Click here to return to the main worksheet index   

Click here for our other Year 1 Worksheets.

In these worksheets children must fill in the three missing numbers in lists of five consecutive numbers less than 20. If they find this difficult, they should first try our One More Than and One Less Than worksheets. Next try our Missing Numbers to 50 Worksheets.

e.g.   3     4    5   6    7  


Missing Numbers to 20 Worksheet - Free printable PDF maths worksheets from Mental Arithmetic Missing Numbers to 20 Worksheet 1
Missing Numbers to 20 Worksheet 2
Missing Numbers to 20 Worksheet 3
Missing Numbers to 20 Worksheet 4
Missing Numbers to 20 Worksheet 5
Missing Numbers to 20 Worksheet 6
Missing Numbers to 20 Worksheet 7
Missing Numbers to 20 Worksheet 8
Missing Numbers to 20 Worksheet 9







All worksheets published online at Mental-Arithmetic.co.uk are free to print without modification
for non-commercial use by schools, children, parents, and care givers.
2010-2015 Mental-Arithmetic.co.uk - All Rights Reserved