3. How many little cakes will they need if each child has three cakes? 32 × 3 or 3 × 32 will give the answer.
| 32 3 | 3 × 2 = .... Where do you write the 6? 3 × 3 = .... Where do you write the 9? |
4. Prove that 128, 64, and 96 are right by adding four 32s, two 32s, and three 32s.
| 32 32 32 32 | 32 32 32 | 32 32 |
Multiplication
You multiply when you find the answers to questions like
| How many are 9 × 3? How many are 3 × 32? How many are 8 × 5? How many are 4 × 42? |
1. Read these lines. Say the right numbers where the dots are:
If you add 3 to 32, you have .... 35 is the sum.
If you subtract 3 from 32, the result is .... 29 is the difference or remainder.
If you multiply 3 by 32 or 32 by 3, you have .... 96 is the product.
Find the products. Check your answers to the first line by adding.