83
Multiplication: 2s and 5s up to 75
Term 3
How fast can you answer the following?
| 1 × 2 = | 2 × 5 = | 10 × 2 = | 7 × 2 = |
| 8 × 2 = | 5 × 2 = | 8 × 5 = | 4 × 5 = |
| 5 × 5 = | 6 × 5 = | 3 × 2 = | 7 × 5 = |
| 6 × 2 = | 9 × 5 = | 3 × 5 = | 4 × 2 = |
| 10 × 5 = | 5 × 2 = | 1 × 5 = | 9 × 5 = |
Look at what my friend did.
Discuss it.
Now do the same with 4 × 5 = 20.
| Skip counting | Equal groups | Repeated addition | Arrays | Facts |
Multiply the following:
24 × 3
|
a. 13 × 3 = = = |
b. 18 × 3 = = = = |
| c. 12 × 5 = = = = |
d. 21 × 3 = = = = |
e. 14 × 3 = = = = |
| f. 25 × 3 = = = = |
g. 12 × 3 = = = = |
h. 15 × 5 = = = = |
Solve the following:
|
My friend bought 12 sweets for R5 each. How much did we pay altogether for the sweets? |
I bought 14 sweets for R3 each.
