Comparing numbers and decimals · sheet 30 of 30
Answer key
The answer, and what a wrong answer means.
| # | Problem | Answer | If they wrote… |
|---|---|---|---|
| 1 | 0.57 ○ 0.2 | > | < the shorter decimal is bigger |
| 2 | 0.40 ○ 0.99 | < | no pattern to catch here |
| 3 | 0.93 ○ 0.69 | > | no pattern to catch here |
| 4 | 423 ○ 366 | > | < comparing numbers by the ones digit first |
| 5 | 355 ○ 227 | > | < comparing numbers by the ones digit first |
| 6 | 799 ○ 782 | > | no pattern to catch here |
| 7 | 656 ○ 935 | < | > comparing numbers by the ones digit first |
| 8 | 278 ○ 588 | < | no pattern to catch here |
| 9 | 413 ○ 410 | > | no pattern to catch here |
| 10 | 467 ○ 469 | < | no pattern to catch here |
| 11 | 0.30 ○ 0.3 | = | < the shorter decimal is bigger> the longer decimal is bigger |
| 12 | 582 ○ 972 | < | no pattern to catch here |
| 13 | 801 ○ 911 | < | no pattern to catch here |
| 14 | 751 ○ 627 | > | < comparing numbers by the ones digit first |
| 15 | 0.33 ○ 0.4 | < | > the longer decimal is bigger |
| 16 | 0.80 ○ 0.8 | = | < the shorter decimal is bigger> the longer decimal is bigger |
| 17 | 541 ○ 553 | < | no pattern to catch here |
| 18 | 0.86 ○ 0.5 | > | < the shorter decimal is bigger |
| 19 | 464 ○ 488 | < | no pattern to catch here |
| 20 | 0.21 ○ 0.4 | < | > the longer decimal is bigger |
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.