Addition & Subtraction: Fact Families, Missing Addends, Make Ten to Add
Addition & Subtraction Fact Families, Missing Addends, Making Ten to Add Lesson Workbook
46 Step-by-Step Math Lessons | Special Education Math Intervention | First Grade Math Level
This Addition & Subtraction Fact Families, Missing Addends, & Making Ten to Add lesson workbook includes an example IEP goal, 46 step-by-step math lessons, reviews and assessments. This evidence-based math intervention is tied to first grade standards and is great for special education math goals and tier 2 small group math interventions (RTI).
In this section, students see the relationship between addition and subtraction. In the simplest terms, they learn that you add to find the “whole” total and subtract to get the smaller “parts” in a fact family. In part 1, the related facts lessons ask students to change an addition equation into a related subtraction equation and vice versa. In part 2, the fact families lessons ask students to write all four equations in a family. They also learn to solve for unknowns by either adding or subtracting.
These lessons include two different ways to teach students how to solve for missing addends, the counting up method and the subtraction method. Choose the one that best suits your students’ needs. All problems have sums within 10.
These lessons are divided into two parts. Part 1 teaches students the number pairs (ten friends) that add to make ten. They use these pairs to complete fact families and missing addend problems.
Part 2 begins with practice adding ten to single-digit numbers, reminding students that it is easy to add when one of the addends is ten. Then they use ten frames to show how they make ten before adding. There is a short review and test for each part. Ten frames are provided for each “make ten before adding” problem, so even students who cannot decompose numbers mentally can use this strategy.
In these lessons, students learn to make an equation true by supplying a missing sign. Problems involve numbers within 20.
These sequential lessons are easy to teach, with enough material for 12 weeks of instruction!
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This Lesson Workbook PDF Download Includes:
12 Weeks of Instruction
Students Will Be Able To:
- Identify related facts
- Given an addition equation, write a related subtraction fact
- Given a subtraction equation, write a related addition fact
- Identify the 3 numbers in a fact family
- Given 3 numbers, write 4 equations in a fact family
- Given an equation, write the other 3 facts in the family
- Find the unknown number in a fact family
Objectives for the Counting Up Method:
- Determine whether groups are equal
- Make groups on both sides of an equal sign equal
- Make both sides of an equation equal (unknown in all positions)
Objectives for the Subtraction Method:
- Turn an addition fact into a related subtraction fact
- Turn a missing addend problem into a subtraction problem
- Subtract single-digit numbers to find a “part”
- Solve missing addend word problems
- Show the different ways to make ten by adding numbers 0-10
- Complete fact family and missing addend problems with sums of 10
- Identify the number pairs that make ten when added
- Add 10 + single-digit numbers
- Make ten before adding three addends
- Make ten (using ten frames) before adding (sums between 10 and 20)
- Fill in a missing + or - sign to make an equation true
- Fill in a missing < > or = sign to make an equation true
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❤️ "I liked that the process of writing related facts was simplified for students. It gives them steps to follow when they get lost. Also, it would be great to send home for parents to help their child with this pages. The students enjoy it because they can make sense of math." -Jennifer S.
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Lessons Are Tied to These Standards:
First Grade CCSS.MATH.CONTENT.1.OA.B.3
Apply properties of operations as strategies to add and subtract. (commutative property of addition)
First Grade CCSS.MATH.CONTENT.1.OA.B.4
Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.
First Grade CCSS.MATH.CONTENT.1.OA.C.6
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten; decomposing a number leading to a ten; using the relationship between addition and subtraction; and creating equivalent but easier or known sums.
First Grade CCSS.MATH.CONTENT.1.OA.D.7
Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.
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About the Author
Hi! I am a Special Education & Title 1 teacher interested in task analysis. My resources break tasks into small and explicit steps, reducing cognitive load for learners so they can feel successful and confident rather than overwhelmed and reluctant to try. I strive to lighten the workload of teachers by making resources as practical and easy-to-use as possible. I sincerely hope my work can benefit you and your students.
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