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
Answer key · Grade 4 · Set C
Why multiplying works
146770
2234
32162
41474
53908
6246
73686
8850
931416
103932
113285
121089
13658
148466
151495
1657882
17432
183591
19204
203260
211796
22560
231138
244819
252191
263992
273239
2858786
296032
303471
3115590
32748
333640
343426
351674
361856
Mark each answer, count the right ones and write the score on the sheet. Beat your own time next time.