Understanding Tens and Ones

Understanding Tens and Ones

Grade 6th Grade · Math · 10 min

What's Included

Learning Objective

I can represent two-digit numbers using tens and ones.

Reading Passage

Understanding Tens and Ones

Understanding place value is crucial for mastering math. Let’s focus on two-digit numbers and how they break down into tens and ones. Every two-digit number is composed of these two place values.

Consider the number 37. The digit 3 is in the tens place, and the digit 7 is in the ones place. This means we have 3 tens and 7 ones. So, 37 is the same as (3 x 10) + (7 x 1). The value of the 3 is 30 because it’s in the tens place, and the value of the 7 is simply 7 because it’s in the ones place.

Let's look at another example: the number 82. The 8 is in the tens place, representing 8 tens, or 80. The 2 is in the ones place, representing 2 ones, or 2. Therefore, 82 is (8 x 10) + (2 x 1).

Understanding this concept allows you to easily add and subtract numbers. When you add 23 + 14, you're really adding (20 + 3) + (10 + 4). You can combine the tens (20 + 10 = 30) and the ones (3 + 4 = 7) to get 37. Place value helps you see the true value of each digit in a number, making math easier to understand and solve.

Guided Notes

3 key concepts

  • 1

    In the number 37, the 3 represents 3 tens, which has a value of 30, and the 7 represents 7 ones.

  • 2

    In the number 82, the digit 8 is in the tens place, representing 8 tens, or 80.

  • 3

    When adding 23 + 14, you can add the tens (20 + 10 = 30) and the ones (3 + 4 = 7) to get 37.

Practice Questions

3 questions · Multiple choice & Short answer

Exit Ticket

Quick comprehension check

Represent the number 64 using tens and ones. Show your work.

Teacher Guide

Get the complete package:

  • Answer keys for all questions
  • Differentiation strategies
  • Extension activities
  • Printable student handouts