Grade 1 · Math · Unit 2 of 12
Numbers to 100
Tens, ones and big numbers!
What your child practises
Reading and building numbers to 100 with tens and ones, comparing them, and seeing that two names can mean the same amount.
Alberta Curriculum learning outcome: 1N1.1, 1N1.3, 1N1.5 · showing quantities to 100 with tens and ones, splitting numbers into parts, and telling equal from not equal
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
23 is 2 tens and how many ones?
- 0
- 3
- 7
Show answer
3
Hint: Take away the tens. What is left is the ones.
Question 2
What number is shown?
- 67
- 68
- 66
Show answer
68
Hint: Count the tens first, then the ones.
Question 3
Build the number 47.
Build it with tens rods and ones cubes.
Show answer
47
Hint: 47 is 4 tens and 7 ones.
Question 4
Which number is less: 72 or 68?
- 72
- 68
Show answer
68
Hint: Look at the tens first. More tens means a bigger number.
Question 5
Is 25 equal to 3 tens and 5 ones?
- Yes, equal (=)
- No, not equal (≠)
Show answer
No, not equal (≠)
Hint: Count the tens and the ones. Do both match?
Question 6
How many tens make 80?
- 3
- 9
- 8
Show answer
8
Hint: Count by 10s until you reach the number.