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