1st grade · Math · Unit 3 of 16
Adding
Put groups together
What your child practices
Adding to 20 with pictures, ten frames, number lines and short stories, using strategies like counting on, doubles and making 10.
Alabama Course of Study content standard: 1.1; 1.6 · solving addition stories and adding within 20
How we explain it
Children can open this short lesson before they practice.
- Adding puts groups together.
- Start with the bigger number.
- Count on the smaller number.
Example: 5 + 3 = ? Start at 5. Count on 3: 6, 7, 8. Answer: 8
Adding in Alabama
In the Alabama Course of Study, this is unit 3 of 16 in 1st grade Math, after Make 10 and before Take Away.
Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.
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
Amir has 5 🌸 and picks 8 more. How many now?
🌸5 + 8- 13
- 9
- 14
13
Hint: Make a ten! 8 + 2 = 10, then add 3 more.
Question 2
What is 10 + 10?
10 + 10 = ?
- 19
- 15
- 20
20
Hint: Doubles! It's like counting 10 two times.
Question 3
What is 8 + 6?
8 + 6 = ?
- 8
- 14
- 11
14
Hint: Make a ten! 8 + 2 = 10, then add 4 more.
Question 4
What is 8 + 6?
- 18
- 14
- 4
14
Hint: Count the red dots, then keep counting the blue dots.
Question 5
What is 3 + 4?
3 + 4 = ?
answer box
7
Hint: Start at 4 and count up 3 more.
Question 6
Sam has 8 🐚 and finds 5 more. How many now?
🐚8 + 5- 3
- 14
- 13
13
Hint: Make a ten! 8 + 2 = 10, then add 3 more.