Lesson Plan
Curated OER

Computing With Customary Units

For Teachers 6th
For this mathematics worksheet, 6th graders identify and practice adding and subtracting units of measure. They add or subtract and regroup for each problem. Then, students explain how each way is different.
Worksheet
Curated OER

Adding Decimals with Hundredths

For Students 3rd - 6th
In this adding decimals worksheet, students add numbers with decimals in the hundredths place. Students complete 4 sets of problems.
Worksheet
Curated OER

Mental Math Ideas

For Students 3rd - 6th
In this mental math worksheet, students complete the multiplication and subtraction problems where they use the strategy "subtract all digits from 9 except the last one from 10". Students complete 26 problems.
Lesson Plan
Curated OER

Fractions

For Teachers 4th
Fourth graders explore fractions. They use Skittles and M&M's to practice adding and subtracting fractions. Students review the numerator and the denominator of fractions. They count the number of each color of Skittles and M&M's...
Worksheet
Curated OER

Adding/Subtracting--More Than/Less Than

For Students 2nd - 3rd
In this counting in 10s activity, students look at 10 numbers and write down 10 more for each number. Students look at an additional 10 numbers and write down what is 10 less than in each number.
Worksheet
Curated OER

Rotation of Tasks for Solving Linear Equations

For Students 9th - 10th
For this linear systems worksheet, students solve systems of equations using three different methods: substitution, adding and subtracting, and graphing. This two-page worksheet contains three multi-step problems.
Lesson Plan
Curated OER

"Adding It Up" at James Fort

For Teachers 3rd - 4th
Students discuss jettons and their archaeological importance at Jamestown. They then practice using historic counting sheets and artifacts to understand the calculating methods of the early 17th Century, and identify their similarities...
Worksheet
Curated OER

Adding Decimal Numbers - Tenths

For Students 4th - 8th
In this adding decimals worksheet, students add numbers with decimals to the tenths. Students complete 21 problems total on this worksheet.
Activity
Curated OER

I.O.U.

For Teachers 4th
Students explore adding and subtracting positive and negative numbers in the context of money. In this computation lesson, students use play money and IOU's to model various mathematical algorithms.
Worksheet
Curated OER

Menu Word Problems Worksheet #8

For Students 2nd - 3rd
In this adding and subtracting monetary amounts worksheet, students use their problem solving skills to solve 10 word problems.
Worksheet
Curated OER

Menu Word Problems Worksheet #2

For Students 2nd - 4th
In this adding and subtracting monetary amounts learning exercise, students use their problem solving skills to solve 10 word problems.
Worksheet
Curated OER

Practice Regrouping 15 to 18

For Students 2nd - 3rd
In this adding and subtracting practice activity, students sharpen their problem solving skills as they solve 6 story problems that require them to regroup.
Handout
University of Wisconsin

Fraction Rules

For Students 4th - 6th Standards
Both a reference sheet and skills practice instructional activity, this handout on common fraction rules reviews steps for adding, subtracting, multiplying, and dividing fractions. Twenty examples are provided to demonstrate these...
Lesson Plan
Curated OER

Rice Math Problems

For Teachers 3rd
Third graders practice solving math equations using rice as their subject. They translate situations involving rice into math equations in order to solve them properly. They also discover and practice using math vocabulary terms...
Lesson Plan
Curated OER

Handcarts - A Unique Form of Transportation

For Teachers 4th - 5th
An interesting historical fact about how handcarts benefitted to the Mormon pioneers is the context behind this math lesson. Using given facts and figures regarding the handcart, pupil pairs create math word problems, share them with the...
Lesson Plan
Curated OER

Stamps and Yo-yo

For Teachers 3rd - 5th
Students discuss items people collect, such as stamps and baseball cards, solve related word problems to practice adding and subtracting tens, complete worksheet, and share items they do or would like to collect with classmates.
Worksheet
Curated OER

Integers - Objects Model

For Students 6th - 7th
Sixth and seventh graders solve 19 various types of problems related to integers as objects models. They write an integer that corresponds to each letter on a number line and then, arrange the integers from least to greatest. Pupils also...
PPT
Curated OER

Number Bonds

For Teachers 1st - 2nd
Being able to recognize number bonds that make 10 is a great way to help learners add 3 digits together. First they make 10 by adding two numbers together, then they assess 3 digit addition sentences, where they make 10 first then add-on...
Worksheet
Curated OER

Least Common Multiple

For Students 6th - 9th
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory worksheet. Instructions for this worksheet include an explanation of both guess and check as well as prime...
Lesson Plan
EngageNY

The Structure of Rational Expressions

For Teachers 11th - 12th Standards
Find out when rational expressions are closed. Pupils review adding, subtracting, multiplying, and dividing with rational numbers to make the connections to operations with rational expressions. Using specific examples, learners notice...
Interactive
CK-12 Foundation

Addition of Integers: Polka Dots

For Students 7th Standards
What happens when you add negative and positive integers to one another? Do you add or subtract, and will the answer be positive or negative? Young mathematicians use blue and red polka dots to determine the value of an expression that...
Lesson Plan
Curated OER

A Human Number Line

For Teachers 6th
Sixth graders create a human number line through use of symbols, equality, inequality, addition, subtraction, solving equations and inequalities
Worksheet
Curated OER

Visual Sum and Difference Word Problems

For Students 1st - 2nd
Aside from awkward wording, this worksheet has problems for learners to solve. They read each problem then use the provided pictures to solve. Note: The images and language are misleading on this worksheet and may be confusing for...
Lesson Plan
Curated OER

Integer Practice

For Teachers 6th - 8th
Students practice adding and subtracting integers.  In this practice adding and subtracting integers lesson, students play a board game where they role two dice to move their token.  Students roll a sign dice and a number dice...