Grade 1 Place Value: Tens and Ones

Learn to break numbers into tens and ones

What You'll Learn

Understand that 2-digit numbers have tens and ones
Count the tens and ones in a number
Use place value blocks to show numbers

📖Understanding Tens and Ones

Every 2-digit number is made of tens and ones. For example, 34 has 3 tens and 4 ones. The tens are like bundles of 10 sticks, and the ones are single sticks.

💡

The first digit tells you how many tens, and the second digit tells you how many ones!

Worked examples

Real problems from the practice worksheets, solved one step at a time.

Example 1
How many tens and ones are in 16?
1. Split 16 into tens and ones.
2. 16 has 1 tens and 6 ones.
Answer: 1 tens, 6 ones
Example 2
How many tens and ones are in 85?
1. Split 85 into tens and ones.
2. 85 has 8 tens and 5 ones.
Answer: 8 tens, 5 ones
Example 3
How many tens and ones are in 30?
1. Split 30 into tens and ones.
2. 30 has 3 tens and 0 ones.
Answer: 3 tens, 0 ones