Number (mult/div)
Hong Kong
Stage 1
Multiplication and division using groups (10x10)
Lesson
Multiplication is the same as counting by groups, so we will be looking at multiplication with groups of objects. Division is the mathematical term for sharing objects, so we can also use groups of objects to help understand division. Fact families show us how multiplication and division are related to each other, using groups.
Examples
QUESTION 1
QUESTION 2
Fill in the box with the missing number.
If you get $8$8 groups of $\editable{}$, then altogether you have $80$80.
QUESTION 3
Complete the table below by filling in the blank spaces.
Total Number of Groups Number in Each Group $14$14 $2$2 $\editable{}$ $\editable{}$ $5$5 $6$6 $80$80 $10$10 $\editable{}$ $27$27 $\editable{}$ $9$9