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Cogito

Kindergarten Math · Chapter 6 · Lesson 1

Practice Worksheet

Ten and Some More

What a teen number really is.

10 problems · about 9 minutes · K.NBT.A.1

NameDate

Figure — use these to answer the problems

Make a teen number. See the full ten and the extras.

How many14

Counters14

Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

4 problems

From “Sums That Make Ten”
3 + ? = 10
Answer
From “Five and Some More”
8 is 5 and how many?
Answer
From “Pairs That Make Ten”
4 and how many make 10?
Answer
From “The Missing Part”
6 + ? = 10
Answer

Warm Up

Straightforward practice. Get the method working first.

3 problems

18 is 10 and how many?
Answer
12 is 10 and how many?
Answer
17 is 10 and how many?
Answer

Build It Up

The same ideas with more to keep track of.

2 problems

10 and 9 is?
Answer
10 and 0 is?
Answer

Stretch Yourself

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

1 problem

The Pencils
Fifteen pencils. Ten in a box, rest loose. How many loose?
Answer