Number Bond Rainbow - Up to 20

Number bonds are a simpe addition of two number to add up to
give the sum. Also to make a tidy number.

Number bonds to 20 is adding one pair and a one digit number to make
20.

The different ways to make 20 is :

• 1 and 19
• 2 and 18
• 3 and 17
• 4 and 16
• 5 and 15
• 6 and 14
• 7  and 13
• 8 and 12
• 9 and 11
• 10 and 10

Here is what a number bond rainbow looks like.