Ch. 9 Properties & Equations review- 3rd Grade

Find the product of 5x(3x3).

Evaluate means to find the value of an expression.

Cynthia practiced the violin for 15 minutes 2 times this week. How many minutes did she practice her violin in all?

Variables are mathematical processes, such as addition, subtraction, multiplication, and division.

A variable can be a letter or symbol that is used to represent an unknown quantity.

Evaluate each expression if y=2 and m=4: m x y

Find the product of 3x8.

Ms. Marano bought 4 cupcakes for $16. How much did each cupcake cost?

Lexy has $4 on Monday. On Tuesday, she has twice as much. How much money does she have on Tuesday?

The Associative Property of Multiplication states that the grouping of factors does not change the product.

An equation contains an equal sign to show that two expressions are equal.

Evaluate each expression if y=2 and m=4: 21+y

Find the product of 4x8.

Use numbers and operations to write each phrase as an expression: 9 groups with 3 in each group

An expression is a letter or symbol that is used to represent an unknown quantity.

Find the product of 6x7.

Find the product of (2x2)x2.

Use numbers and operations to write each phrase as an expression: 32 and 12

With the Distributive Property of Multiplication you can decompose one factor into addends that are easier to work with.

Addyson has 32 pencils. She gives 2 of them to Myleigh and 13 of them to Jaylea. How many does she keep for herself?

Find the product of (5x2)x4.

Matthew bought 3 soccer balls for $10 each. How much money did he pay altogether?