1st grade · Math · Unit 3 of 14
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.
Minnesota K-12 Academic Standards benchmark: 1.3.5.6; 1.3.5.9 · solving addition stories within 20 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 Minnesota
In the Minnesota K-12 Academic Standards, this is unit 3 of 14 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
What is 9 + 10?
9 + 10 = ?
- 15
- 19
- 18
19
Hint: Start at 10 and count up 9 more.
Question 2
Noah has 7 🍂 and finds 10 more. How many now?
🍂7 + 10- 11
- 14
- 17
17
Hint: Start at 10 and count up 7 more.
Question 3
What is 6 + 7?
6 + 7 = ?
answer box
13
Hint: Make a ten! 7 + 3 = 10, then add 3 more.
Question 4
What is 5 + 4?
5 + 4 = ?
- 19
- 7
- 9
9
Hint: Start at 5 and count up 4 more.
Question 5
What is 3 + 3?
3 + 3 = ?
- 6
- 2
- 11
6
Hint: Doubles! It's like counting 3 two times.
Question 6
What is 10 + 4?
- 4
- 11
- 14
14
Hint: Count the red dots, then keep counting the blue dots.