Worksheet
Curated OER

Mental Arithmetic Sets 3 and 4

For Students 3rd
In this mental arithmetic activity, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting. 
Lesson Plan
Curated OER

Counting Coins

For Teachers 1st - 4th
Students practice counting and adding or subtracting coins. The lesson includes many different selections of coin types and number of coins that you may configure and select. Pennies, Nickels, Dimes, Quarters are the coins used.
Lesson Plan
Curated OER

Writing Number Sentences

For Teachers 6th - 8th
Students practice writing number sentences. After reading real world problems, they describe the same situation by writing a number sentence. Students use algebra tiles, or counters, to demonstrate the use zero pairs in solving...
Worksheet
Curated OER

Today's Number

For Students 2nd - 3rd
Using the number of days they have been in school, learners practice fining sums by adding ten, subtracting ten, and determining even and odd numbers. They write equations and build numbers with the fewest number of base ten blocks.
Lesson Plan
Curated OER

SPIRIT 2.0 Lesosn: Adding and Subtracting Integers

For Teachers 6th - 8th Standards
Six pages prepare you to introduce your math stars to the addition and subtraction of positive and negative numbers. They drive a robot back and forth on an actual number line to represent the operations. If you don't have access to a...
Worksheet
Curated OER

Solving Word Problems

For Students 2nd - 3rd
In this finding the sums and differences for story problems activity, students add and subtract up to two-digits without regrouping. Students solve 6 problems.
Worksheet
Curated OER

What I Saw Today

For Students Pre-K - K
In this math worksheet, students practice counting and subtracting by participating in a class song. The students sing to the tune of "This Old Man." There are 7 verses about animals who leave when they see the student. This could be...
Lesson Plan
Curated OER

Money Game

For Teachers 4th
Fourth graders give change of one dollar.  In this decimal and fractions lesson, 4th graders receive fake coins and discuss what they could purchase with them.  Students go for a walk and spend one dollar and  get...
Lesson Plan
Curated OER

Yummy Gummy Subtraction

For Teachers K - 3rd
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
Lesson Plan
Curated OER

Developing Strategies for Addition and Subtraction

For Teachers 2nd - 4th
Primary graders develop strategies to assist them with addition and subtraction. They discover number combinations and numerical facts which enable them to add and subtract more effectively. Students use these techniques to complete...
Lesson Plan
Curated OER

Goldfish Subtraction

For Teachers 2nd - 3rd
Young scholars manipulate Goldfish crackers to explore subtraction and number sentences.
Worksheet
Curated OER

Addition and Subtraction within 10

For Students 1st
In this addition and subtraction activity, 1st graders add and subtract in word problems up to the number 10. Students complete 20 problems total.
Worksheet
Curated OER

Subtraction: one digit numbers

For Students 1st - 2nd
In this subtraction worksheet, students subtract one digit numbers from each other. Students complete 17 subtraction problems and then match the answers to a key which gives them a message.
Lesson Plan
Curated OER

Estimating and Testing Steps

For Teachers 2nd - 4th
Students predict how many steps they think it will take them to get from the front of the room to the back. They record predictions on paper and then into database and then actually test by walking foot to foot to their destination...
Lesson Plan
Curated OER

M & M Addition

For Teachers K - 1st
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...
Lesson Plan
Pennsylvania Department of Education

Links Away: Looking Back and Moving Forward

For Teachers Pre-K - 2nd
Learners explore fact families. In this math activity, students use links to model a fact family. Learners solve addition and subtraction problems.
Worksheet
Curated OER

Using Subtraction Strategies 2

For Students 1st - 2nd
In this subtraction strategies worksheet, students review the ways to subtract and then solve the subtraction problems. Students also answer a test prep question.
Lesson Plan
Curated OER

Mathematics Lesson Plan

For Teachers 2nd
Second graders study subtraction facts. In this mathematics instructional activity, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such...
Worksheet
Curated OER

Choose the Operation: Problem Solving

For Students 2nd - 3rd
For this mathematical operations worksheet, students use the problem solving strategy of understand, plan, solve, and look back to compare the number of birds seen in the Nature Clubs bird watching walk. Students find the correct...
Lesson Plan
Curated OER

Mental Math Counts

For Teachers 5th - 7th
Students use mental math. They describe reasonable and unreasonable sums and differences. Students use mental math to find the sums and differences of addition and subtraction facts at random. They solve addition and subtraction facts...
Worksheet
Curated OER

Problem Solving Application: Using Circle Graphs

For Students 4th
In graphing worksheet, 4th graders use the information from a circle graph about carnation sales to complete the steps of problem solving. They determine what they know, and how they can use the graph. They find how many more pink...
Lesson Plan
Curated OER

Proving For The Crew

For Teachers 5th - 6th
Students write math questions that pertain to the Lewis and Clark Expedition.  In this math lesson plan, students utilize resources in the classroom to help write mathematical questions and answers that relate to the Lewis and Clark...
Lesson Plan
Curated OER

Exploring Subtraction

For Teachers 1st - 2nd
In this math worksheet, learners take away two crayons from five crayons. A series of questions is included on the worksheet to guide students through the process of taking away. Learners tell their coach a subtraction story.
Lesson Plan
Curated OER

Two-Digit Subtraction With Regrouping

For Teachers 2nd - 3rd
Students practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. In this subtraction with regrouping lesson plan, students use the regrouping method to solve the 2-digit subtraction...