5.2B, 5.4F, & 5.3E

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 order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often remembered by the acronym PEMDAS.

Front

Simplify the expression: 17 + 9 x (3 x 6)

Back

179

Front

If Jackson runs around the track in 8.24 minutes and Quinton takes 1.7 minutes longer, how long does Quinton take?

Back

Quinton takes 9.94 minutes.

Front

If Emily swims across the pool in 5.6 minutes and Sarah takes 0.8 minutes longer, how long does Sarah take?

Back

Sarah takes 6.4 minutes.

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations (such as addition, subtraction, multiplication, and division) but does not include variables.

Front

How do you compare two decimal numbers?

Back

To compare two decimal numbers, align the decimal points and compare digit by digit from left to right. The first digit that differs determines which number is greater.

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.

Front

If the forecast predicted 15.2 inches of rain and the actual amount was 15.198 inches, which is greater?

Back

15.198 inches is greater than 15.2 inches.

Front

What is the difference between predicted and actual values?

Back

Predicted values are estimates made before an event occurs, while actual values are the real measurements or outcomes that occur.

Front

If Emily takes 5.6 minutes to swim and Liam takes 0.3 minutes less, how long does Liam take?

Back

Liam takes 5.3 minutes.