# Math Vocabulary

• • ## STANDARDS FOR MATHEMATICAL PRACTICE THAT WE WORK ON CONTINUOUSLY THROUGHOUT THE YEAR ARE AS FOLLOWS:

1. Make sense of problems and persevere in solving them.
2. Reason abstractly and quantitatively.
3. Construct viable arguments and critique the reasoning of others.
4. Model with mathematics.
5. Use appropriate tools strategically.
6. Attend to precision.
7. Look for and make use of structure.
8. Look for- and express regularity in repeated reasoning.

• ## Chapter 5 Vocabulary

Whole - Part = Part

Related Subtraction Facts

Subtraction Sentence

Count Up

Fact Family

Ones

Tens

Digit

Regroup

1 Ten = 10 Ones

Round

Estimate

• ## Chapter 5 Concepts

Subtract Tens and Ones

Mental Math Subtraction

Ways to Make Numbers

Regroup Tens as Ones: Use Models

Regroup Tens as Ones: Model and Record

Regroup Tens as Ones

Mental Math: Subtract Two-Digit Numbers

Estimate Differences

Rewrite Two-Digit Subtraction

Subtraction Practice

Chain of Operations

Choose the Method

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