Addition Facts to 18
In this simple addition worksheet, 3rd graders solve 14 problems adding 2 one-digit numbers. Students also solve 3 problems adding 3 one-digit numbers. Finally, students solve 3 word problems involving simple addition.
3 Views 4 Downloads
Add Up To Four 2-Digit Numbers by Using Addition Facts and Friendly Numbers
Learning to recognize friendly numbers is a big step in developing fluency with addition. Looking at multiple real world examples, the instructor models how to rearrange addition number sentences and use friendly numbers to quickly and...
5 mins 1st - 3rd Math CCSS: Designed
Study Jams! Relate Addition & Subtraction
Understanding the inverse relationship between addition and subtraction is essential for developing fluency in young mathematicians. Zoe and RJ explain how three numbers can form fact families that make two addition and two subtraction...
1st - 4th Math CCSS: Adaptable
Solve for Unknowns: Using Fact Families
Understanding the relationship between numbers in a fact family can make solving for unknowns much easier. Follow along with the second video in this series as the instructor models this approach with multiple examples. A story problem...
4 mins 2nd - 4th Math CCSS: Designed
Solve Multiplication Problems: Using Repeated Addition
While young mathematicians are still working to memorize their multiplication facts, teach them how to use repeated addition when solving multiplication problems. The second video in a series models this skill with multiple examples,...
5 mins 2nd - 4th Math CCSS: Designed