Cardinal Math

Multi-digit multiplication · sheet 12 of 30

Answer key

The answer, and what a wrong answer means.

The sheet
#ProblemAnswerIf they wrote…
1 92 × 58 5336 1196 forgetting to shift the second row4516 leaving out a partial product
2 15 × 59 885 210 forgetting to shift the second row545 leaving out a partial product
3 622 × 3 1866 no pattern to catch here
4 38 × 6 228 no pattern to catch here
5 71 × 6 426 no pattern to catch here
6 53 × 2 106 no pattern to catch here
7 322 × 3 966 no pattern to catch here
8 92 × 59 5428 1288 forgetting to shift the second row4518 leaving out a partial product
9 57 × 62 3534 3014 leaving out a partial product456 forgetting to shift the second row
10 16 × 43 688 112 forgetting to shift the second row418 leaving out a partial product
11 47 × 85 3995 3235 leaving out a partial product611 forgetting to shift the second row
12 99 × 7 693 no pattern to catch here
13 492 × 2 984 no pattern to catch here
14 114 × 6 684 no pattern to catch here
15 63 × 26 1638 1218 leaving out a partial product504 forgetting to shift the second row
16 87 × 7 609 no pattern to catch here
17 94 × 2 188 no pattern to catch here
18 19 × 75 1425 228 forgetting to shift the second row745 leaving out a partial product
19 82 × 2 164 no pattern to catch here
20 41 × 8 328 no pattern to catch here

Reading the wrong answers

One wrong answer is a slip. The same pattern on three or more problems is a rule your child is following, and it has a name and a fix. Problems marked "no pattern to catch" are the plain ones; a child who gets only those right is telling you something too.

Leaving out a partial product 8 of 20 problems

Forgetting to shift the second row 8 of 20 problems