Adding up to 20
Put things together and count how many in all.
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Adding means putting things together and counting them all.
Look: 8 apples and 5 apples. Put them together: 13 apples.
✏️ Your turn!
Type your answer and press Check. Kutty will tell you if it is right.
19 + 4 = ?
26 + 6 = ?
37 + 8 = ?
! Careful!
✗For 8 + 3, counting "8, 9, 10".
✓Start after 8: say 9, 10, 11. So 8 + 3 = 11.
✗Starting with the small number: 2 + 9.
✓Swap them. Start at 9 and count on 2.
See the whole lesson on one page
Adding means putting things together and counting them all.
Start with the bigger number. Then count on for the other number. A trick: make 10 first, then add the rest.
Think of it like thisYou have 8 apples. Your friend gives you 5 more. Count them all together. That is adding.
- +
- Plus: put together.
- =
- Equals: is the same as.
Solved together
8 children are on the swings. 5 more come. How many now?
Children come together, so we add.
8 + 5 = ?8 needs 2 more to make 10. Take 2 from the 5.
8 + 2 = 103 are left. 10 and 3 more is 13.
10 + 3 = 13
Answer8 + 5 = 13 children.
Now practise it
Kanakku makes new questions on adding up to 20 every time. It shows the working and gives a hint when you are stuck.