Comparing numbers and decimals · sheet 11 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 0.90 ○ 0.9 | = | < the shorter decimal is bigger> the longer decimal is bigger |
| 2 | 808 ○ 489 | > | < comparing numbers by the ones digit first |
| 3 | 0.33 ○ 0.41 | < | no pattern to catch here |
| 4 | 944 ○ 694 | > | no pattern to catch here |
| 5 | 0.26 ○ 0.6 | < | > the longer decimal is bigger |
| 6 | 243 ○ 248 | < | no pattern to catch here |
| 7 | 0.3 ○ 0.72 | < | > the shorter decimal is bigger |
| 8 | 954 ○ 846 | > | < comparing numbers by the ones digit first |
| 9 | 0.8 ○ 0.68 | > | < the longer decimal is bigger |
| 10 | 100 ○ 185 | < | no pattern to catch here |
| 11 | 0.35 ○ 0.2 | > | < the shorter decimal is bigger |
| 12 | 467 ○ 555 | < | > comparing numbers by the ones digit first |
| 13 | 711 ○ 891 | < | no pattern to catch here |
| 14 | 234 ○ 174 | > | no pattern to catch here |
| 15 | 506 ○ 509 | < | no pattern to catch here |
| 16 | 0.42 ○ 0.96 | < | no pattern to catch here |
| 17 | 0.9 ○ 0.90 | = | < the longer decimal is bigger> the shorter decimal is bigger |
| 18 | 512 ○ 225 | > | < comparing numbers by the ones digit first |
| 19 | 391 ○ 353 | > | < comparing numbers by the ones digit first |
| 20 | 765 ○ 792 | < | > comparing numbers by the ones digit first |
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.