Inverse Relationships Add/Sub (E)
In this addition and subtraction inverse operations instructional activity, students fill in the blanks in 16 addition and subtraction sentences with the appropriate numbers based on inverse relationships.
1st - 2nd Math 3 Views 14 Downloads
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
Choose the Operation: Plus or minus (up to 100)
Investigate the relationship between addition and subtraction as scholars fill in these number sentences, each of which is missing a symbol. Is it a subtraction or addition equation? There are 20 of these to start, all written...
2nd - 4th Math CCSS: Designed
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
How Many Times Did You Add That?
Math whizzes practice multiplying using repeated addition. They watch a video clip from the Hershey's chocolate plant, read Hershey's Multiplication, and use grid paper to investigate multiplication as repeated addition. A page of five...
1st - 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