5.4F / 5.4B Review

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Tags

CCSS.7.NS.A.3

Front

Solve: 36 - [1 + (7 x 2)] - (3 + 1)

Back

17

Tags

CCSS.7.NS.A.3

Front

What is a variable in an equation?

Back

A variable is a symbol, often represented by a letter, that stands for an unknown value in an equation.

Tags

CCSS.6.EE.A.2B

Front

If Ansie bought 2 bags with 10 bows and 3 bags with 14 bows, how many bows did she buy in total?

Back

Ansie bought a total of 62 bows. (2 x 10) + (3 x 14) = 20 + 42 = 62.

Tags

CCSS.6.NS.B.4

Front

Solve for g: 2 + 8 + 4 = 9 + g

Back

g = 5

Tags

CCSS.1.OA.D.8

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form by performing operations and combining like terms.

Tags

CCSS.7.EE.A.1

Front

Solve: 4(8) ÷ (8 − 6)

Back

16

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the purpose of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Tags

CCSS.6.EE.A.2C

Front

Solve: 6 + (4)3

Back

18

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2