Chapter 2.4
Identifying tens and ones
What You'll Learn
Recognize that any two-digit number is made up of tens and ones
Identify the number of ones in numbers up to 99
Identify the number of tens in numbers up to 99
Understand place value by breaking numbers into tens and ones groups
What You'll Practice
1
Counting and identifying ones in numbers up to 99
2
Counting and identifying tens in numbers up to 99
3
Reading numbers presented in word form and identifying place values
Why This Matters
Understanding tens and ones is the foundation of all number work you'll do in math. This place value skill helps you add, subtract, compare numbers, and work with money in everyday life. It's the first step toward mastering larger numbers and more complex arithmetic.
This Unit Includes
Practice exercises
Skills
Place Value
Tens and Ones
Number Sense
Counting
Two-Digit Numbers
