Number Bonds

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Sums up to 100
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Sums up to 1000
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Recent activities in this game

Someone got all questions correct at level 25. Sums up to 1000 .
14 hours ago after 50 seconds of playing.
Someone got all questions correct at level 20. Sums up to 20 .
14 hours ago after 19 seconds of playing.
Someone got all questions correct at level 1. Sums up to 1 .
18 hours ago after 43 seconds of playing.
Someone had a problem at level 1. Sums up to 1 .
20 hours ago after 6 seconds of playing.
Someone had a problem at level 10. Sums up to 10 .
22 hours ago after 4 minutes of playing.
Someone got all questions correct at level 10. Sums up to 10 .
22 hours ago after 26 minutes of playing.
Someone got all questions correct at level 10. Sums up to 10 .
22 hours ago after 13 minutes of playing.
Someone got all questions correct at level 9. Sums up to 9 .
2025-10-23 16:50 after 2 minutes of playing.
Someone had a problem at level 9. Sums up to 9 .
2025-10-23 16:47 after 21 seconds of playing.
Someone got all questions correct at level 8. Sums up to 8 .
2025-10-23 16:45 after 2 minutes of playing.

Are you aware of all number bonds? Practice all number bonds to learn how numbers are split or combined in addition.

The game Number Bonds
Image: Helpful Games

Game instructions for number bonds

What is a number bond? It's a fun way of showing how numbers are split and combined in addition. What other number, in addition to the given number, adds up to the whole? Each level gives you up to 10 number bond problems for your chosen target sum. Number bonds are also called complementary numbers.

The number bonds are different each time you attempt a certain level. You must enter the correct number bond in order to proceed in the game. If you enter the wrong number, then it will be marked with a red border around the number. If it's too difficult, you can always change level by clicking the button Cancel. When you practice number bonds in this educational game, your mental math skills improve, making calculation easier.

Calculation of knowledge points

Each completed game level in Number Bonds gives 1 knowledge points. You can collect a maximum of 25 knowledge points by completing all 25 levels.
In the game Number Bonds, you can earn a total of 75 medals. Medals are awarded based on how many times you have completed a level:
  • Bronze medal: after completing 2 rounds.
  • Silver medal: after completing 5 rounds.
  • Gold medal: after completing 10 rounds.
Knowledge points are only awarded for levels you have not completed before, meaning those that do not yet have checked green circles. Even after completing a level and earning both knowledge points and medals, you can continue practicing it. However, this will not grant any additional knowledge points or medals.

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Additional game information

Subject
Math
Target group
First grade - Fifth grade
Practices
Numbers Addition Mental calculation Number bonds
Game creator
Helpful Games
Last updated
2019-09-26
Published online
2011-11-11
Unique id
4
Saved by
5-10 users
Operating system
Browser
Price
Free

Reviews

3.8
Total 2 088
5
1 273
4
133
3
129
2
155
1
398

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There are a total of 6 comments on this knowledge game.

Anonymous
7 June 2021 16:17
The game makes me good at this!!
H
hello
3 June 2021 10:15
i like this game good for toddlers and easy for them :D
E
Elizabeth
18 March 2021 10:30
I really like this website it is fun and good for our children.
Anonymous
6 November 2020 07:42
This game is so fun,easy & good for toddlers
J
Jake Sequeira
14 July 2020 11:47
It is challenging and fun
So awesome!
A
Avneesh
12 July 2020 10:22
Why can't we save what we did plz tell me
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