Grade 4 · Set C · Side 1 of 2
Why multiplying works
C
Start Finish
Goal: 15 min for both sides
Score/ 36
Remember: Split by place value, make a box for each pair, add the boxes.
17795 × 6 = working
239 × 6 = working
3 = 47 × 46working
4737 × 2 = working
5977 × 4 = working
6 = 123 × 2working
7 = 38 × 97working
834 × 25 = working
9 = 7854 × 4working
10983 × 4 = working
11365 × 9 = working
12363 × 3 = working
1394 × 7 = working
144233 × 2 = working
15299 × 5 = working
16 = 9647 × 6working
1727 × 16 = working
1863 × 57 = working
Grade 4 · Set C · Side 2 of 2
Why multiplying works
C
Start Finish
Goal: 15 min for both sides
Score/ 36
1934 × 6 = working
20652 × 5 = working
21449 × 4 = working
2216 × 35 = working
23569 × 2 = working
24 = 61 × 79working
25313 × 7 = working
26499 × 8 = working
2779 × 41 = working
288398 × 7 = working
29754 × 8 = working
3089 × 39 = working
317795 × 2 = working
3222 × 34 = working
33455 × 8 = working
34571 × 6 = working
3518 × 93 = working
36928 × 2 = working