Lesson Plan
Scholastic

Magnet Subtraction

For Teachers K - 2nd Standards
Mini mathematicians use magnets to complete subtraction sentences. They choose a number of objects with the magnet and subtract the number from the total objects.  Have them create number sentences as they fish for magnets. 
Worksheet
Curated OER

Word Problems and Patterns 4

For Teachers 3rd
In this mathematics worksheet, 3rd graders solve the problems and write a missing addend sentence for each as needed. Then they subtract mentally and figure out the patterns for each and continue them on.
Worksheet
Curated OER

Add and Subtract within 1000

For Students 2nd - 4th
Solve these true equations; scholars examine three-digit addends, subtrahends, and minuends in these equations that are each missing one number. There is a list of possible answers to choose from, so decide whether or not you want to...
Worksheet
Curated OER

Addition: Number Bonds to Fifty

For Students 2nd - 4th Standards
In this identifying numbers that total fifty worksheet, students use an addend and the sum fifty to write the missing number. Students solve 41 problems.
Worksheet
Curated OER

Mixed Review

For Students 1st - 2nd
In this math worksheet, students solve the problems using the operation of addition to fill in the missing addends. They also apply some basic knowledge of geometry to solve the second set of questions.
eBook
Savvas Learning

Saxon Math 5/4

For Teachers 3rd - 5th Standards
You'll never have to search for another worksheet again after downloading this extensive collection of Saxon math materials. With over 600 pages of example problems and skills practice exercises, this is a must-have resource...
Worksheet
Math Worksheets Land

Unknown Numbers in Sums and Differences

For Students 1st - 3rd Standards
You've hit the word problem jackpot with this set of 10 addition and subtraction scenarios! For each, learners have to find a missing number. Sometimes it is the sum or difference, and for others, an addend or minuend. For each, there is...
Worksheet
Curated OER

Subtracting Within the Same Ten

For Students 4th - 6th
In this subtraction worksheet, students subtract one digit numbers from one and two digit numbers with the same 10. Students complete 8 sets of problems.
Lesson Plan
Curated OER

All A-buzz About Math

For Teachers 2nd
Second graders participate in Math-Eze activities to comprehend word problems. In this word problem lesson plan, 2nd graders recognize why a hexagon is the best shape for a beehive. Students calculate how far bees must travel to find 2...
Website
Primary Resources

Primary Resources: Basic Addition and Subtraction

For Teachers Pre-K - 1st
An extensive collection of teacher resources to help in teaching and reviewing the concepts of basic addition and subtraction. There are many worksheets, activities, PowerPoint presentations, smartboard activities, Word, Excel, and pdf...
Whiteboard
ClassFlow

Class Flow: Missing Addends

For Teachers Pre-K - 1st Standards
[Free Registration/Login Required] In this flipchart students will either count up and/or use a hundreds chart to determine a missing addend.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Cave Game Subtraction

For Teachers 1st - 2nd
The purpose of this task is for students to practice creating and memorizing subtraction equations while focusing on missing addends. After modeling the activity with the whole class, this game would be perfect for centers and small groups.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Boys and Girls, Variation 2

For Teachers 1st - 2nd Standards
Students are asked to solve a word problem with both addends unknown. They will write an equation and draw a picture to use to explain their answer.