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4.06 Balance number sentences with mixed operations

Lesson

Are you ready?

Remembering how to find the missing number in a number sentence can help us solve problems in this lesson. Let's give this problem a try. 

Fill in the box with the missing number.

  1. $8\times\editable{}=80$8×=80

Learn

This video shows how to balance number sentences where there are different operators on either side of the equality symbol.

Apply

Complete the number sentence:

  1. $48-\editable{}=19+16$48=19+16

 

Remember!

Whenever there is an equal sign we need to make sure that the value of the expressions on each side are the same.  

 

Outcomes

VCMNA153

Apply place value to partition, rearrange and regroup numbers to at least tens of thousands to assist calculations and solve problems

VCMNA155

Recall multiplication facts up to 10 × 10 and related division facts

VCMNA156

Develop efficient mental and written strategies and use appropriate digital technologies for multiplication and for division where there is no remainder

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