Comparing numbers and decimals · sheet 16 of 30

Answer key

The answer, and what a wrong answer means.

The sheet
#ProblemAnswerIf they wrote…
1 673 ○ 743 < no pattern to catch here
2 436 ○ 843 < > comparing numbers by the ones digit first
3 0.82 ○ 0.31 > no pattern to catch here
4 709 ○ 705 > no pattern to catch here
5 0.5 ○ 0.97 < > the shorter decimal is bigger
6 292 ○ 295 < no pattern to catch here
7 0.41 ○ 0.6 < > the longer decimal is bigger
8 591 ○ 583 > < comparing numbers by the ones digit first
9 0.80 ○ 0.8 = < the shorter decimal is bigger> the longer decimal is bigger
10 329 ○ 858 < > comparing numbers by the ones digit first
11 0.17 ○ 0.9 < > the longer decimal is bigger
12 0.90 ○ 0.9 = < the shorter decimal is bigger> the longer decimal is bigger
13 728 ○ 856 < > comparing numbers by the ones digit first
14 747 ○ 705 > no pattern to catch here
15 0.3 ○ 0.58 < > the shorter decimal is bigger
16 887 ○ 934 < > comparing numbers by the ones digit first
17 893 ○ 203 > no pattern to catch here
18 640 ○ 651 < no pattern to catch here
19 0.58 ○ 0.95 < no pattern to catch here
20 893 ○ 903 < 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.

Comparing numbers by the ones digit first 5 of 20 problems

The longer decimal is bigger 4 of 20 problems

The shorter decimal is bigger 4 of 20 problems