Comparing numbers and decimals · sheet 12 of 30

Answer key

The answer, and what a wrong answer means.

The sheet
#ProblemAnswerIf they wrote…
1 942 ○ 188 > < comparing numbers by the ones digit first
2 879 ○ 861 > no pattern to catch here
3 880 ○ 851 > < comparing numbers by the ones digit first
4 404 ○ 992 < > comparing numbers by the ones digit first
5 955 ○ 345 > no pattern to catch here
6 438 ○ 856 < > comparing numbers by the ones digit first
7 0.33 ○ 0.67 < no pattern to catch here
8 673 ○ 109 > < comparing numbers by the ones digit first
9 0.7 ○ 0.27 > < the longer decimal is bigger
10 0.18 ○ 0.5 < > the longer decimal is bigger
11 562 ○ 527 > < comparing numbers by the ones digit first
12 0.30 ○ 0.3 = < the shorter decimal is bigger> the longer decimal is bigger
13 0.98 ○ 0.6 > < the shorter decimal is bigger
14 0.84 ○ 0.32 > no pattern to catch here
15 936 ○ 496 > no pattern to catch here
16 0.8 ○ 0.80 = < the longer decimal is bigger> the shorter decimal is bigger
17 0.83 ○ 0.3 > < the shorter decimal is bigger
18 585 ○ 587 < no pattern to catch here
19 367 ○ 368 < no pattern to catch here
20 291 ○ 501 < 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 6 of 20 problems

The longer decimal is bigger 4 of 20 problems

The shorter decimal is bigger 4 of 20 problems