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Kindergarten Math · Chapter 5 · Lesson 1
Pairs That Make Ten
The most useful pairs there are.
10 problems · about 9 minutes · K.OA.A.4
What this lesson teaches
The child finds the number that makes ten when added to a given number.
- Pairs that make ten are worth knowing by heart.
- The empty spaces in a ten frame show what is missing.
- 1 and 9, 2 and 8, 3 and 7, 4 and 6, 5 and 5.
Warm-Up Review
From earlier lessons. Loosen up before the new work.
4 problemsReview — The Missing Part: 6 + ? = 10
Answer 4
Why Four.
Review — Breaking a Number Apart: 8 is 5 and how many?
Answer 3
Why Three.
Review — Taking Away: 8 − 3 = ?
Answer 5
Why Five.
Review — Adding in Any Order: 2 + 6 = ?
Answer 8
Why Eight.
Warm Up
Straightforward practice. Get the method working first.
3 problems4 and how many make 10?
Answer 6
Why Six.
8 and how many make 10?
Answer 2
Why Two spaces left.
5 and how many make 10?
Answer 5
Why Half and half.
Build It Up
The same ideas with more to keep track of.
2 problems3 and how many make 10?
Answer 7
Why Seven spaces left.
9 and how many make 10?
Answer 1
Why Just one.
Stretch Yourself
Mixed problems. Work out what kind of question it is before you start.
1 problemThe Egg Box: A box holds ten eggs. There are seven. How many spaces are empty?
Answer 3
Why Three.