+
Interactive
Curated OER

Subtraction Practice

For Students 1st - 2nd
In this subtraction instructional activity, students solve a total of 20 horizontal problems, using a number line for reference. Worksheet is part of a subscription site with links and is labeled, "sample."
+
Worksheet
Curated OER

Subtracting 4-Digit Numbers

For Students 3rd - 4th
In this subtraction practice worksheet, students solve 15 problems that require them to subtract 4-digit numbers from 4-digit numbers.
+
Worksheet
Curated OER

Difference of 3 or 5

For Students 2nd - 3rd
In this subtraction practice activity, learners use their problem solving skills to pair the 20 listed numbers in as many ways as possible to create subtraction sentences with differences of 3 or 5.
+
Lesson Plan
Curated OER

Facts on Fish Species

For Teachers 4th - 6th
Here is a brief outline of facts on various Chesapeake Bay fish species. Use it as an example of what kind of information you want your life science learners to collect when you assign them a specific species to research. Another way to...
+
Worksheet
Houghton Mifflin Harcourt

Mental Math: Subtract Tens - Homework 12.1

For Students 1st - 3rd Standards
Now that your class can add by 10s they can start subtracting by 10s. This clear, learner-friendly worksheet provides a good example (10-rods are pictured) and 7 problems to solve. Relates groups of tens to single-digit numbers, which...
+
PPT
Curated OER

Inverse

For Teachers 2nd - 4th
Your class can learn all about inverse operations. They will review what inverse operations are, see examples, learn how to use inverse operation to check an answer, write addition and subtraction equations in the inverse, and use the...
+
Worksheet
DK Publishing

Money Word Problems #2

For Students 2nd - 4th Standards
Are you experiencing money problems? Here are some more! Young mathematicians practice their addition and subtraction skills with money values in these word problems and number sentences. Some of the 25 questions prompt scholars to...
+
Worksheet
Curated OER

Everyday Problems

For Students 4th - 5th Standards
Word problems are some of the most applicable ways for scholars to approach math, and this is no exception. Using their addition and subtraction skills in context, they solve five word problem scenarios involving time and money. There is...
+
Worksheet
Curated OER

Identifying Patterns

For Students 3rd - 5th
Explore number attributes and skip counting through patterns! Scholars find the pattern in each of these sequences and continue it by writing in the remaining values. They count consistently by various intervals, sometimes forwards and...
+
Lesson Plan
Curated OER

2 Digit Subtraction

For Teachers 1st - 2nd
In this subtraction worksheet, students subtract to solve the 3 digit equations. Students solve 20 problems and improve their subtraction skills.
+
Lesson Plan
Curated OER

"Subtraction Bowling"

For Teachers 1st - 2nd
Students experience the math concept of subtraction without regrouping. They practice subtraction bowling to work on their basic subtraction skills. Each student demonstrates mastery of the addition and subtraction facts, the meaning of...
+
Lesson Plan
Curated OER

Addition and Subtraction in Center Time

For Teachers 1st
First graders complete center activities as they practice their addition and subtraction skills. They listen to Rick Walton's, "How Many, How Many, How Many" before playing games, and completing addition and subtraction worksheets at...
+
Worksheet
Curated OER

Adding and Subtracting Integers

For Students 4th
In this online interactive integers instructional activity, 4th graders solve 8 addition and subtraction integer math problems and problem solve 6 integers problems involving numbers from -20 to 20. Students check their answers online...
+
Lesson Plan
Curated OER

the Whale Game

For Teachers Pre-K - 6th
Learners listen to whale stories and answer addition and subtraction problems in the stories.  In this addition and subtraction instructional activity, students receive 20 goldfish.  Based on the story they eat the goldfish. Learners...
+
Lesson Plan
Curated OER

Three-Digit Addition and Subtraction With Regrouping

For Teachers 2nd
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
+
Worksheet
Curated OER

Two-Digit Addition and Subtraction (R)

For Students 2nd - 3rd
In this addition and subtraction practice worksheet, students sharpen their math skills as they solve 49 problems that require them to add and subtract 2-digit numbers.
+
Worksheet
Curated OER

Two-Digit Addition and Subtraction (Q)

For Students 2nd - 3rd
In this addition and subtraction practice worksheet, students sharpen their math skills as they solve 49 problems that require them to add and subtract 2-digit numbers.
+
Lesson Plan
Heritage Foundation

Courts and Judges

For Teachers 9th - 12th Standards
If the Supreme Court is so supreme, why do all cases not just start there? High schoolers learn why every case does not start at the Supreme Court as well as the importance of hierarchy in the US judicial system in the 11th installment...
+
Lesson Plan
Curated OER

How Many Under the Shell?

For Teachers Pre-K - 2nd
Children discover basic addition and subtraction facts. They play an online game in which they practice addition and subtraction facts. This could be a perfect computer lab activity for your young scholars to engage in.
+
Unit Plan
Curated OER

Multiplication & Division

For Teachers 4th - 5th Standards
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
+
Worksheet
Curated OER

Using Integers to Show Differences

For Students 5th - 7th
In this integer worksheet, students use integers to show differences in temperatures by solving 7 short word problems. They find the differences in 7 more equations.
+
Lesson Plan
Curated OER

Hop to It

For Teachers 1st
First graders play a game of hopscotch, but hop to the answer of the addition or subtraction fact the teacher calls out.
+
Worksheet
Curated OER

Mental Math: Subtract Tens: Reteach

For Students 2nd
In this subtraction instructional activity, 2nd graders use subtraction facts to help them complete the subtraction sentences. Students write in the missing numbers for each sentence and solve the problems. Students' objective is to...
+
Worksheet
Curated OER

Mixed Tables

For Students 3rd - 4th
Bring out the pegboards for this one! As you introduce multiplication, explain it as sets of objects using these visual practice problems. Learners look at eight pegboards with varying rows filled. For each, they fill in two sentences...