Comparing numbers and decimals · sheet 21 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 525 ○ 488 | > | < comparing numbers by the ones digit first |
| 2 | 157 ○ 567 | < | no pattern to catch here |
| 3 | 857 ○ 883 | < | > comparing numbers by the ones digit first |
| 4 | 0.96 ○ 0.60 | > | no pattern to catch here |
| 5 | 880 ○ 866 | > | < comparing numbers by the ones digit first |
| 6 | 793 ○ 605 | > | < comparing numbers by the ones digit first |
| 7 | 496 ○ 735 | < | > comparing numbers by the ones digit first |
| 8 | 844 ○ 842 | > | no pattern to catch here |
| 9 | 656 ○ 498 | > | < comparing numbers by the ones digit first |
| 10 | 0.2 ○ 0.20 | = | < the longer decimal is bigger> the shorter decimal is bigger |
| 11 | 315 ○ 316 | < | no pattern to catch here |
| 12 | 0.13 ○ 0.2 | < | > the longer decimal is bigger |
| 13 | 0.3 ○ 0.59 | < | > the shorter decimal is bigger |
| 14 | 0.2 ○ 0.17 | > | < the longer decimal is bigger |
| 15 | 261 ○ 121 | > | no pattern to catch here |
| 16 | 0.29 ○ 0.30 | < | no pattern to catch here |
| 17 | 373 ○ 359 | > | < comparing numbers by the ones digit first |
| 18 | 0.79 ○ 0.6 | > | < the shorter decimal is bigger |
| 19 | 0.80 ○ 0.8 | = | < the shorter decimal is bigger> the longer decimal is bigger |
| 20 | 645 ○ 745 | < | 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.