1st grade · Math · Unit 3 of 14
Count It Up
Count on, count back and skip count!
What your child practices
Counting forward within 100, back from 20, by 2s to 20, and by 5s and 10s to 100, plus seeing small amounts at a glance (subitizing).
Oregon State Standards learning standard: 1.NBT.A.1; 1.OA.C.5 · counting on and back from any number and relating counting to adding and subtracting
How we explain it
Children can open this short lesson before they practice.
- Skip count by 2s, 5s or 10s.
- Find how much the number grows each time.
- Keep adding that much to find the next number.
Example: Count by 5s: 15, 20, 25, 30, ? Each step adds 5. 30 + 5 = 35. Answer: 35
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
Count by 10s: 30, 40, 50, 60, ?
- 60
- 50
- 59
60
Hint: Each number is 10 more than the one before it.
Question 2
Count by 10s. What number is missing?
0, 10, 20, 30, 40, , 60, 70
- 50
- 56
- 49
50
Hint: Each number is 10 more than the one before it.
Question 3
Count on. What number comes next?
43, 44, 45,
- 45
- 46
- 52
46
Hint: Counting on goes up by 1 each time.
Question 4
Take a quick look. How many 🌸?
🌸🌸🌸🌸🌸🌸- 6
- 3
- 5
6
Hint: Look for small groups you know, like 2 and 3.
Question 5
Count by 10s. What number is missing?
0, 10, 20, 30, 40, 50, , 70, 80
- 60
- 50
- 64
60
Hint: Each number is 10 more than the one before it.
Question 6
Count back. What number comes next?
12, 11, 10,
- 9
- 7
- 5
9
Hint: Counting back goes down by 1 each time.