Use mental and written strategies to multiply three- and four-digit numbers by one-digit numbers, including:multiplying the thousands, then the hundreds, then the tens and then the ones, using an area model, using the formal algorithm
1. | Hit the Big times: 325 x 8 = 26** | |
2. | Double up: Double 15, 150 | |
3. | Double up: Double 35, 350 | |
4. | Double up: Double 16, 160 | |
5. | Double Up: Double 25, 250 | |
6. | Double Up: Double 36, 360 | |
7. | Double Up: Double 65, 650 | |
8. | Double Up: Double 45, 450 | |
9. | Double Up: Double 52, 520 | |
10. | Double Up: Double 9, 900 | |
11. | A tissue, a tissue: 225 x8 | |
12. | Hitting The Big Times: Fill in the missing numbers in a vertical multiplication sum | |
13. | Divide and Multiply |