Counting by 5s, 10s and 100s
Grade 2 · Level 2 · Sheet 1the answers
Free from tutor.in4me.app · 2.NBT.A.2, 2.NBT.B.8 · Five minutes a day online, and the difficulty follows your child.
- 1.
Count by 10s. What is missing?
720730?750 - 2.
Count by 5s. What is missing?
600?610615 - 3.
Count by 10s. What is missing?
490500510? - 4.
Count by 5s. What is missing?
220225?235 - 5.
Count by 5s. What is missing?
365?375380 - 6.
Count by 5s. What is missing?
715?725730 - 7.
Count by 5s. What is missing?
610615620? - 8.
Count by 5s. What is missing?
810815820? - 9.
Count by 5s. What is missing?
100105?115 - 10.
Count by 10s. What is missing?
740?760770 - 11.
Count by 10s. What is missing?
440450?470 - 12.
Count by 10s. What is missing?
670680690?
Show the answer key
- 1.740
- 2.605
- 3.520
- 4.230
- 5.370
- 6.720
- 7.625
- 8.825
- 9.110
- 10.750
- 11.460
- 12.700
Answer key · Counting by 5s, 10s and 100s · Level 2 · Sheet 1
- 1.740
- 2.605
- 3.520
- 4.230
- 5.370
- 6.720
- 7.625
- 8.825
- 9.110
- 10.750
- 11.460
- 12.700
The mistakes behind most wrong answers
A wrong answer in counting by 5s, 10s and 100s is rarely random. These are the ones that come up most often, each on a real problem — worth knowing before you mark a sheet, because the fix for each is different.
Count by 10s. What is missing?
690700710?The answer is 720. A child who answers 711 probably counted one too many or too few.
Count by 5s. What is missing?
115120?130The answer is 125. A child who answers 130 probably counted the last one twice.
Count by 10s. What is missing?
320?340350The answer is 330. A child who answers 320 probably started counting from the wrong number.
In the app, every wrong answer is matched against mistakes like these, and the weekly email tells you which one your child keeps making — in those words, not as a percentage.