Tricky Word Problems - Choosing the Operation
Decipher the equations in these addition and subtraction word problems. Two examples at the top of the page guide second graders as they solve the rest of the problems. There is no space to write out the equation, but there is a place to...
2nd - 3rd Math CCSS: Adaptable
Grade 1 Supplement Set A3 - Number & Operations: Addition & Subtraction on the Number Line
Hop your way through a mathematical equation with your first grade class as they learn the idea of moving up and down the number line. Adding and subtracting like little frogs is an engaging and clever way to teach/reinforce this concept.
K - 2nd Math CCSS: Adaptable
Solve Subtraction Problems: Using Key Vocabulary
The first step to solving any word problem is understanding what the question is asking. The fourth video in this series discusses key terms associated with subtraction, modeling how to identify these phrases with multiple examples....
5 mins 2nd - 4th Math CCSS: Designed
Solve Subtraction Problems: Using Number Line
Number lines are great visual tools that can be used to teach a wide range of math topics. The final video of this series models how to use number lines when solving subtraction problems using the counting up strategy. Pause the video...
4 mins 2nd - 4th 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