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Cogito

Pre-K Math · Chapter 2 · Lesson 3

Practice Worksheet

One More

Adding just one.

10 problems · about 7 minutes · PK.OA.1

NameDate

Figure — use these to answer the problems

Add one counter. What number is it now?

How many4

Counters4

Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

5 problems

From “Nine and Ten”
How many fingers on two hands?
Answer
From “Six, Seven, Eight”
How many? 🐚🐚🐚🐚🐚🐚
Answer
From “Which Has More”
Which is more, 5 or 3?
Answer
From “How Many Altogether”
You counted to four. How many are there?
Answer
From “See It Without Counting”
How many? ●●
Answer

Warm Up

Straightforward practice. Get the method working first.

2 problems

One more than 7?
Answer
One more than 2?
Answer

Build It Up

The same ideas with more to keep track of.

1 problem

One more than 6?
Answer

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

2 problems

One more than 9?
Answer
One More Bird
Three birds. One more comes. How many now?
Answer