Number (4 ops and mixed)
Hong Kong
Stage 2
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:
$15-\editable{}=14-2$15−=14−2
Question 2
Complete the number sentence:
$24\div4=2\times\editable{}$24÷4=2×
Question 3
Complete the number sentence:
$3+6=18\div\editable{}$3+6=18÷