## Glossary of 4th Grade Math Vocabulary

### Deck Info

#### Description

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- Difference
- The answer to a subtraction problem.

- "Equal Groups Take Apart"
- A division problem.

- "Equal Groups Put Together"
- A multiplication problem.

- If John has 10 marbles and Jenny has 18, how many more marbles than John does Jenny have?
- more than - uses subtraction to solve the problem

- If Mary has 15 puzzle pieces and Max has 40, how much less does Mary have than Max?
- less than - uses subtraction to solve the problem.

- about
- In a problem, tells us to round numbers to solve.

- between
- The difference between one number and another. Use subtraction to solve.

- Estimate
- To solve a problem by rounding numbers to a certain place value.

- Array
- Shows a multiplication fact or area, with equal columns and equal rows.

- Function
- The operation or steps used to create a data table with related data - what makes the "out" in a function machine.

- Number Sentence
- An equation including an equals sign such as

3 x 5 = 15

- Perimeter
- The distance around something.

P = s+s+s+s....

- horizontal
- across

- vertical
- up and down