Cogito
Pre-K Math · Chapter 2 · Lesson 3
One More
Adding just one.
10 problems · about 7 minutes · PK.OA.1
What this lesson teaches
The child finds one more than a number up to nine.
- One more is the next number.
- Put one extra in and count on.
Warm-Up Review
From earlier lessons. Loosen up before the new work.
5 problemsReview — Nine and Ten: How many fingers on two hands?
Answer 10
Why Ten.
Review — Six, Seven, Eight: How many? 🐚🐚🐚🐚🐚🐚
Answer 6
Why Six.
Review — Which Has More: Which is more, 5 or 3?
Answer 5
Why Five.
Review — How Many Altogether: You counted to four. How many are there?
Answer 4
Why Four.
Review — See It Without Counting: How many? ●●
Answer 2
Why Two.
Warm Up
Straightforward practice. Get the method working first.
2 problemsOne more than 7?
Answer 8
Why Eight.
One more than 2?
Answer 3
Why Next number.
Build It Up
The same ideas with more to keep track of.
1 problemOne more than 6?
Answer 7
Why Next number.
Stretch Yourself
Mixed problems. Work out what kind of question it is before you start.
2 problemsOne more than 9?
Answer 10
Why Next number.
One More Bird: Three birds. One more comes. How many now?
Answer 4
Why Four birds.