Chapter 2.3
Using counting to add digits up to 100
What You'll Learn
Count on from a starting number to find the sum of two numbers
Use a number track as a visual tool to support addition
Apply counting strategies to add single and double-digit numbers up to 100
Recognize that addition means moving forward on the number line
What You'll Practice
1
Adding by counting on using a number track up to 100
2
Starting from the first number and counting forward to find totals
3
Using visual number sequences to solve addition problems
Why This Matters
Counting on is a fundamental strategy that builds your number sense and mental math abilities. Mastering this skill helps you add quickly without relying on fingers or objects, preparing you for more complex arithmetic and problem-solving in everyday situations.
This Unit Includes
Practice exercises
Skills
Addition
Counting On
Number Sense
Number Line
Mental Math
