NZ Level 2
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Balancing with mixed operations
Lesson

When we need to balance a number problem, it helps to imagine a seesaw.  We want each side to have the same value, so the seesaw doesn't tip over.  Let's have a look at how we can do this.

Worked Examples

Question 1

Complete the number sentence:

  1. $19-\editable{}=8+6$19=8+6

Question 2

Complete the number sentence:

  1. $15+39=9\times\editable{}$15+39=9×

Question 3

Complete the number sentence:

  1. $17-7=100\div\editable{}$177=100÷​

Outcomes

NA2-6

Communicate and interpret simple additive strategies, using words, diagrams (pictures), and symbols.

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