Chapter 1.1
Counting up to 20
What You'll Learn
Count and identify quantities of objects from 1 to 20
Recognize and write numbers in both numeral and word form up to 20
Identify numbers that come before, after, and between other numbers
Count forward and backward from any starting number up to 20
Read and interpret tally marks and number lines to identify values
What You'll Practice
1
Counting groups of objects like fruits and animals
2
Finding missing numbers on number lines
3
Converting between numbers and word names
4
Identifying one more or one less than a given number
5
Reading tally marks and determining values
Why This Matters
Counting to 20 is the foundation for all future math learning. You'll use these skills every day when handling money, telling time, measuring ingredients, and keeping score in games. Strong counting skills make addition, subtraction, and number sense much easier as you progress.
This Unit Includes
Practice exercises
Skills
Counting
Number Recognition
Number Sense
Tally Marks
Number Lines
Number Words
Sequencing
GA Curriculum Aligned
