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Topic 1

Add and Subtract with in 20

TermDefinition
equation An equation uses an equal sign (=) to show that the value on the left is the same as the value on the right.
addends numbers that we add
sum the answer to an addition equation
doubles addition facts that have two of the same addends
near doubles addition facts that have two of the addends that are close
automatic a basic fact that is easy to remember
difference the answer in a subtraction equation
bar diagram the model for addition and subtraction that shows parts and the whole
Created by: user-1611885
Popular Math sets

 

 



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