Many Ways to Show a Number

The same number can be built in more than one way.

10 problems · about 12 minutes · 1.NBT.B.2

NameDate

Figure — use these to answer the problems

Bundle once, then stop. Then bundle again. The amount stays 34.

Tens

Ones

How many34

Figure 1

From earlier lessons. Loosen up before the new work.

4 problems

From “Multiples of Ten”
Three tens is which number?
Answer
From “Tens and Ones on a Mat”
How many tens are in 31?
Answer
From “Counting Beyond 20”
What comes right after 20?
Answer
From “Asking Questions About Data”
5 apples and 2 stars. How many in all?
Answer

Straightforward practice. Get the method working first.

3 problems

2 tens and 16 ones is which number?
Answer
6
Does bundling change how many you have?
- No. Only the grouping changes.
- Yes. You get more.
1 ten and 17 ones is which number?
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