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## Interactive Bar

Holy Trinity C of E Primary School

Rooted in faith, we reach for the stars.

# 4. Tens tennis

Please watch the video to recap finding 10 more and 10 less, extending this to subtracting tens (eg. 20, 30) and shows you a way to do it just using pencil and paper.  The second video contains the second example as this was cut off on the first video!

There are then activities to complete.  The skills activity involves finding 10 more and 10 less.

The problem solving practises subtracting different tens numbers in word problem settings.

There is a 100 square attached below for you to print to help if needed but see if, after a bit of practice, you can spot the pattern of just the tens number changing to help you do it using the pencil and paper method.

## Adding and subtracting tens numbers part 2

Now, you will be ready to have a go at playing Tens Tennis!  Have a watch of the video below to find out more.

Summary of the rules:

- Roll the dice and decide whether to add or subtract that number of tens

- If you roll a 6, you might have to roll again as you might go off the end of the numberline

- The aim is to try to finish back on your starting number after 10 rolls of the dice