Numbers & Operations in Base Ten

Grade 1 Math

3 topics6 lessonsCommon Core Standards

Students in Grade 1 learn to count to 120, understand place value of tens and ones, and use place value to add and subtract numbers within 100.

Topics

Counting to 120

Read, write, count, and represent numbers up to 120.

15 minutes2 lessons
CoursePracticeTest

Place Value

Understand that tens and ones digits represent amounts of tens and ones.

20 minutes2 lessons
CoursePracticeTest

Addition & Subtraction Within 100

Add within 100 using place value understanding and properties of operations.

20 minutes2 lessons
CoursePracticeTest

Tools

Base Ten Blocks

Use base ten blocks to represent numbers and perform operations.

Try Tool