Number (mult/div)
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CanadaON
Grade 5

Balancing with mixed operations

Lesson

When we balance number problems, we want them to have the same value on each side.   What can we do to one side, so that it has the same value as the other?  A seesaw can help you imagine how you might do this!

Worked Examples

Question 1

Complete the number sentence:

  1. $15-\editable{}=14-2$15=142

Question 2

Complete the number sentence:

  1. $24\div4=2\times\editable{}$24÷​4=2×

Question 3

Complete the number sentence:

  1. $3+6=18\div\editable{}$3+6=18÷​

Outcomes

5.PA2.03

Determine the missing number in equations involving addition, subtraction, multiplication, or division and one- or two- digit numbers, using a variety of tools and strategies

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