Place Value
Grade 1 Math | Base Ten Topic 2
Grade 1Common Core 1.NBT.B.220 minutes
Learning Objectives
- Understand tens and ones places in numbers
- Read 2-digit numbers using place value
- Use base ten blocks to show numbers
What is Place Value?
Place value tells us how much each digit is worth based on where it sits in a number. The position of a digit changes its value!
Place Value Example
23
2 tens = 20
3 ones = 3
Total = 23
Place value helps us:
- Understand what each digit means
- Read bigger numbers correctly
- Compare numbers easily
- Add and subtract larger numbers