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Worksheet
Curated OER

Subtraction

For Students 1st - 2nd
In this subtraction worksheet, students find the differences for the double digit problems. Students solve 31 subtraction problems.
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Lesson Plan
Curated OER

Finding Sums to 6

For Teachers Pre-K - 2nd
Students explore the additive identity property where they add multiple numbers to get to the number 6. In this number 6 lesson plan, students also work on their addition charts.
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Lesson Plan
Curated OER

Food Chains and Endangered Animals

For Teachers 2nd - 3rd
Students investigate how all links in the food chain are related. In this animal habitat lesson plan, students hypothesize about what would happen in the food chain if an endangered species were to become extinct. This lesson plan also...
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Worksheet
Curated OER

Early Mental Math: Practice

For Students 1st - 2nd
Pupils start from a given number and count forward by 1s, 2s, and 10s. They "make ten" in 4 addition problems, and add or subtract 2 in the rest. Finally, they circle the odd numbers in a list from 1-14.
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Lesson Plan
Curated OER

Justifying Answers

For Teachers 2nd - 3rd
Young scholars study story problems and learn how to find and justify their answers. They will use a story problem and then respond to the prompt questions from the teacher. They must add and subtract facts to 6 and learn how to justify...
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Lesson Plan
Curated OER

Math Lesson Study Plan

For Teachers 2nd
Second graders find missing addends by solving math word problems. In this missing addend lesson, 2nd graders work in a whole group setting to find the missing addends in word problems before using the strategies to work independently....
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Lesson Plan
Curated OER

Smart Doubling

For Teachers 2nd
Second graders use mental math in calculations involving addition and subtraction. They study doubles facts to work out addition problems mentally using part and or whole reasoning.
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Lesson Plan
Curated OER

Math Stories 1

For Teachers 2nd
Second graders use technology to draw shapes or select pictues to represent an addition or subtraction equation. They also write the equation, and a story that matches the equations.
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Lesson Plan
Curated OER

Something's Hiding!

For Teachers 2nd
Second graders practice finding out how many tens and ones blocks are hidden from a given total. They mentally perform calculations involving addition and subtraction to explain the meaning of the digits in two to three digit whole numbers.
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Lesson Plan
Curated OER

Everyday Math

For Teachers K - 5th
Students discuss word problems involving time and money. In this mathematics lesson plan, students solve word problems as a class focusing on addition, subtraction, multiplication, and simple fractions. Students then make their own word...
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Lesson Plan
Curated OER

Add and Subtract with Hudson River shipping

For Teachers 2nd - 3rd
Rivers aren't just a place for animals to live, they also provide industrial transportation. The class will examine the Hudson River on a map, discuss all the commercial vessels that use the River to transport materials, then complete a...
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Lesson Plan
Curated OER

Grade 2: Texas Problem Solving

For Teachers 2nd
Second graders use numerical data about Texas to write and solve real-life problems involving addition and subtraction (or multiplication and division). They work in pairs to choose three numerical facts about Texas to use to make up...
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Lesson Plan
Curated OER

What Do I Really Have to Gain?

For Teachers 2nd
Second graders further develop simple addition facts and their ability to record the facts.
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Activity
Curated OER

Math Games for Skills and Concepts

For Teachers 2nd - 5th
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
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Worksheet
Curated OER

Refresh Your Memory

For Students 2nd - 3rd
In this math worksheet, students break down one digit numbers by thinking of numbers which can be added together to get that sum. Students then relate simple subtraction facts in the same family. There are 15 problems.
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App
Instant Interactive

Math Drills

For Students K - 3rd Standards
Get ready, set, go! This app will have your young mathematicians striving for first place as they work on their basic math skills.  
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Organizer
Curriculum Corner

Academic Math Vocabulary

For Students 2nd - 4th
The ABCs of math are so important. Find commonly used math terms in a 42-page packet. Each page has the word, a place to write the definition, and a place to give specific examples of the term. A must-have for all math classrooms!
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Lesson Plan
Curated OER

Use Symbols to Subtract

For Teachers 1st - 2nd
Students practice crossing out items in a group in order to complete subtraction problems. In this subtraction lesson plan, students watch a PowerPoint presentation and then practice problems on their own.
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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.
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Lesson Plan
Curated OER

The Grouchy Ladybug

For Teachers 1st - 2nd
Students complete a Cirlce Map about time. They recall times during the grouchy ladybugs travels, and add dots on ladybugs using turn-around facts. Pupils correctly sequence the events of The Grouchy Ladybug. Students compose new...
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Lesson Plan
Curated OER

Number Stories

For Teachers 1st - 2nd
Learners write and solve various number stories. They solve number stories using one, two and three digit numbers. Students practice writing sentences using the following 6+1 traits, ideas and content, organization, word choice and...
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Lesson Plan
Curated OER

Story Problem Writing

For Teachers K - 5th
Students write story problems which can only be solved with the application of multiplication facts. They write an extra fact that isn't needed to solve. When their partners do the problems, they must cross out the fact that they do need.
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Worksheet
Curated OER

Mental Maths

For Students K - 2nd
In this mental math practice worksheet, students fill in the 10 blanks as the count backwards and forward. Students also solve 20 addition problems.
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Lesson Plan
Curated OER

Math Bingo

For Teachers K - 12th
Students solve math problems and mark their Bingo game cards correctly.