Grade 5 · Math · Unit 1 of 11
Big Numbers
Numbers up to 100 000
What your child practises
Place value to 100 000, comparing and ordering big numbers, expanded form, and multiplying by 0.1 and 0.01 as a way to divide by 10 and 100.
Ontario Curriculum expectation: B1.1, B1.2, B2.3 · reading, comparing and ordering whole numbers to 100 000, and multiplying by 0.1 and 0.01
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
Tap the numbers from least to greatest.
- 61 053
- 27 208
- 59 463
- 31 847
Show answer
27 208 → 31 847 → 59 463 → 61 053
Hint: Compare the biggest places first.
Question 2
In 43 985, what is the 8 worth?
43 985
- 800
- 80 000
- 80
Show answer
80
Hint: Look at which place the digit is in: ones, tens, hundreds, thousands or ten thousands.
Question 3
Which number is 10 000 + 9000 + 200 + 4?
- 12 904
- 19 204
- 1924
Show answer
19 204
Hint: Write each part in its place and put the zeros in the gaps.
Question 4
What number is 1000 more than 39 681?
answer box
Show answer
40681
Hint: Add 1000. Only one digit changes.
Question 5
Which number is the greatest?
- 75 911
- 26 760
- 19 115
Show answer
75 911
Hint: Compare the ten thousands first, then thousands, then hundreds.
Question 6
What number is 10 000 less than 76 094?
answer box
Show answer
66094
Hint: Take away 10 000. Only one digit changes.