Stories can help us to understand the operations that need to happen, in order to solve a problem. Have a look at this story, to remember how to write a number sentence to represent the story.

$Robert$ is training for a marathon. On the days $he$ trains, $he$ runs $25$25km on a circuit through $his$ town, which is $5$5km long. $Robert$ trains $6$6 days a week.

Which number sentence describes the number of laps $Robert$ completes per week?
$25\div5\times6$25÷5×6
A
$25+5\div6$25+5÷6
B
$25\times5\div6$25×5÷6
C
$25-5+6$25−5+6
D

Learn

This video explains what the rules are when it comes to the order of operations.

Vocabulary

Another word that is sometimes used for parentheses is $brack$ $ets$

Apply

Question 1

Find the value of $\left(6+4\right)\times\left(6+4\right)$(6+4)×(6+4).

Remember!

The order of operations:

Solve anything inside grouping symbols ( $brack$ $ets$ ).
Solve any multiplication or division, including powers, working from left to right.
Solve any addition or subtraction, working from left to right.

Outcomes

MA.5.AR.2.2

Evaluate multi-step numerical expressions using order of operations.

MA.5.AR.2.4

Given a mathematical or real-world context, write an equation involving any of the four operations to determine the unknown whole number with the unknown in any position.

3.09 Solving expressions using order of operations

Are you ready?