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Modules in this concept
Modules in this concept
Adding and Subtracting Lengths on the Number Line
Finding Unknowns in Number Sentences
Understanding Equivalent Number Sentences
Mental Strategies with Number Sentences
Words to remember
Words to remember
= "equals"
+ "plus"
− "minus"
Resources to help with this concept
Resources to help with this concept
Equal Number Sentences
Equal Number Sentences
Number line
Number line
Use Toy Theatre's interactive number line to make number sentences.
Pan Balance
Pan Balance
This interactive from NCTM will let you play with number sentences and help you find the unknowns.
Education Perfect
Education Perfect
Curated Education Perfect* content to support this topic
*note you need a paid subscription to access this content, this is a book-listed item.
PhET Interactive
PhET Interactive
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