Dictionary · N
Number bond
A pair of numbers that add up to a given total. The bonds to ten are the pairs that make , and knowing them makes adding and subtracting quick.
Example
and are a number bond to , so is easy to see.
Dictionary · N
A pair of numbers that add up to a given total. The bonds to ten are the pairs that make , and knowing them makes adding and subtracting quick.
and are a number bond to , so is easy to see.