Counting Beyond 20

Count to 40 and find the pattern that repeats.

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

NameDate

Figure — use these to answer the problems

Tap a number. Look down each column and read what you see.

Chosen number21

Figure 1

From earlier lessons. Loosen up before the new work.

4 problems

From “Asking Questions About Data”
5 apples and 2 stars. How many in all?
Answer
From “Sorting and Showing Data”
A graph shows 4 apples and 6 stars. How many in all?
Answer
From “How Much Longer?”
A 9-cube stick and a 4-cube stick. How much longer is the first?
Answer
4
From “Why Same-Size Units?”
Why must you say which unit you used?
- Because a number alone does not say how long.
- Because it is polite.

Straightforward practice. Get the method working first.

3 problems

What comes right after 20?
Answer
6
Which row does 33 sit in?
- The row that starts at 31.
- The row that starts at 21.
What comes after 29?
Answer

The same ideas with more to keep track of.

1 problem

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

2 problems

What comes after 39?
Answer
Counting Stickers
Leo counts 27 stickers, then finds one more. How many now?
Answerstickers