Curated OER
Developing Strategies for Addition and Subtraction
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...
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Distributive Laws
In this distributive laws worksheet, students solve and complete 8 different types of problems. First, they expand each equation by removing the brackets. Then, students remove the brackets and collect like terms in each. In addition,...
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Addition Properties and Subtraction Rules
In this addition and subtraction worksheet, students review the addition properties and the subtraction rules. Students then complete each number sentence and tell which property or rule was used.
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Hands On: Arrays and the Commutative Property
In this multiplication worksheet, learners learn to use arrays when solving multiplication problems. Students also use the commutative property to solve the problems. Learners solve six multiplication word problems using arrays and the...
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Addition Properties
In this addition properties worksheet, students fill in the missing number in 6 addition sentences. Students tell which property of addition was used to find each answer. There is no list of the properties and there are no examples.
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Addition to Twenty
In this addition tool for creating a worksheet, students problem solve and calculate the answers to twenty addition equations. Students show each step of their work.
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Addition And Subtraction of Decimals
Learners participate in a lesson of adding and subtracting decimals. They should review place values with decimals before beginning the lesson. The lesson plan also includes sample problems for the teacher to use in direct instruction....
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Addition To Fifteen
In this math learning exercise, students solve problems using the operation of addition to find the sums. The sheet is a teacher's guide.
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A Method of Front-End Arithmetic
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!
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Addition To One Hundred
For this math worksheet, learners use the worksheets that are created by
the teacher using Adobe Reader. The sheet is a users guide.
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Mental Math
In this mental math worksheet, students try to solve problems without using a pencil and paper. Students master 12 single digit problems and 4 double digit problems.
Illustrative Mathematics
Words to Expressions 1
Designed as a follow-up to the lesson plan titled Watch Out for Parenthesis 1, this activity asks young learners to write an equation for the calculation described with words rather than numbers and symbols. The treasure that 5th graders...
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Properties of Numbers
In this algebra worksheet , students apply the properties of numbers to answer problems written in a certain way, The answer must make the property a true statement. There are 32 questions with an answer key.
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Real Number System
Ninth graders discuss the real number system and its' properties. In this algebra lesson, 9th graders discuss rational, irrational, closure, real numbers and the distributive property of algebra. They solve problems using these...