Be a Subtraction Detective #3
In this solving subtraction problems activity, students use groups of arrays to find the paths from the circled numbers in the arrays to the circled answers. Students discover the paths in nine arrays.
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Adding & Subtracting (Combining) Integers
Maintain a positive atmosphere in your math class with this fun lesson on adding and subtracting integers. After first explaining the rules for combining positive and negative numbers, this resource uses a comic strip to guide students...
5th - 7th Math CCSS: Adaptable
Subtraction with 3-Digit Numbers #3
Get plenty of subtraction practice with 25 subtraction problems. Using their borrowing skills, second or third graders work through the first twenty problems, then solve five problems with decimals to the hundredths. A good opportunity...
2nd - 3rd 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
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
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