2.NBT.1.a: Understanding Place Value Within 100

Practice Worksheet
I can understand that two digits represent tens and ones for numbers within 100.

Problem 1

The number 23 has _____ tens and _____ ones.

Hint: Look at the first digit for tens and the second digit for ones.

Problem 2

The number 45 has _____ tens and _____ ones.

Hint: The first digit shows how many groups of 10.

Problem 3

The number 67 has _____ tens and _____ ones.

Hint: Count the tens place first, then the ones place.

Problem 4

The number 89 has _____ tens and _____ ones.

Hint: The tens digit tells you how many groups of 10.

Problem 5

The number 34 has _____ tens and _____ ones.

Hint: Break the number into tens and ones.

Problem 6

Write the number that has 5 tens and 2 ones: _____

Hint: Put the tens digit first, then the ones digit.

Problem 7

Write the number that has 7 tens and 8 ones: _____

Hint: The tens digit goes in the first position.

Problem 8

Write the number that has 3 tens and 6 ones: _____

Hint: Think about which digit goes where.

Problem 9

Write the number that has 9 tens and 1 one: _____

Hint: Remember the order: tens first, then ones.

Problem 10

Write the number that has 4 tens and 0 ones: _____

Hint: Don't forget to include the 0 in the ones place.