Representing numbers within 50
Learn to represent larger numbers up to 50 by splitting them into tens and ones.
This lesson includes:
Counting large numbers of objects is much easier when you group them together in tens. Before you watch the video, try to find 35 small objects to help with counting. These could be toys, cars, building blocks, raisins or pieces of pasta!
How many eggs are there in total? Watch this video to find out!
A box holds 10 eggs. How many full boxes can you make? Watch this video to find out!
Look around your home with a parent, sibling or guardian.
Can you find 25 objects? This could be anything, like pencils, socks or toys. Count them out loud.
Practise grouping them into groups of tens and ones!
Complete this worksheet about representing numbers within 50.
1. There are 26 eggs in total. 26 is 2 tens and 6 ones.
2a. 2 tens and 3 ones is 23
2b. 3 tens and 7 ones is 37
2c. 3 tens and 4 ones is 34
3. You should have three groups of ten and four ones using small objects, write 3 tens and 4 ones and the 2-digit number 34.
There's more to learn...
Have a look at these other resources around the BBC and the web.