Number (mult/div)
Hong Kong
Stage 1
Find unknowns in multiplication and division problems (1,2,3,5,10)
Lesson
When we have equations with missing values, multiplication and division may be needed to find the missing value. In this video, we'll look at how to choose which method to use.
Examples
QUESTION 1
Fill in the box with the missing number.
$3\times9=\editable{}$3×9=
QUESTION 2
Fill in the box with the missing number.
$3\times\editable{}=27$3×=27
QUESTION 3
Fill in the box with the missing number.
If you get $10$10 groups of $\editable{}$, then altogether you have $60$60.