Organizer
Curated OER

Working Backwards as a Problem-Solving Strategy

For Students 3rd
In this problem solving strategy activity, 3rd graders roll a dice three times and record the number in the hundreds, tens and ones place on the chart, then solve an addition and subtraction problem with that number.
Worksheet
Curated OER

Addition and Subtraction 1

For Students 3rd
In this addition worksheet, 3rd graders solve 10 addition math problems involving 2, 3 and 4 digit numbers. Students write their sums on the worksheet.
Worksheet
Curated OER

Math Review

For Students 4th - 5th
In this math review worksheet, learners complete 40 assorted problems pertaining to counting money (in English pence), addition and subtraction, divisibility, and milometer (odometer) word problems.
Worksheet
Curated OER

Polynomials: addition and subtraction

For Students 7th - 10th
In this polynomials worksheet, students complete addition and subtraction problems containing polynomials with parenthesis. Students complete 10 problems.
Worksheet
Curated OER

Relating Addition and Subtraction

For Students 3rd
In this number sentence worksheet, 3rd graders write a related addition or subtraction sentence for 13 math problems. Students answer 2 word problems and 2 multiple choice answer math problems relating to number sentences.
Worksheet
Curated OER

Find the Difference

For Students 4th - 6th
In this find the difference worksheet, students solve subtraction equations and answer word problems. In this subtraction worksheet, students solve eighteen problems.
Worksheet
Curated OER

One Dollar

For Students 1st - 4th
In this money practice activity, students sharpen their problem solving skills as they solve 6 story problems that involve sums of 1 dollar.
Worksheet
Curated OER

Problem Solving: Story Problems

For Students 3rd
In this problem solving learning exercise, 3rd graders will read and solve 6 story problems about time, money, and numbers of objects. Students must use logic, addition and subtraction skills.
Worksheet
Curated OER

Math Cross--Puzzle #27

For Students 4th - 7th
In this hours/minutes and rounding worksheet, students fill in a crossword puzzle as they solve the answers to twenty-eight math problems or word problems involving hours/minutes and rounding. Students utilize mathematical strategies of...
Worksheet
Curated OER

Math Aptitude Test

For Students 9th
In this algebra instructional activity, 9th graders are given an aptitude test on basic mathematical concepts using words problems and real life scenarios. There are 33 problems in this instructional activity.
Worksheet
Curated OER

Math Cross--Puzzle #10

For Students 4th - 7th
In this money worksheet, students fill in a crossword puzzle as they solve twenty-eight math problems dealing with different forms of money intertwined into addition, subtraction and multiplication problems.
Interactive
Curated OER

Butterfly Math

For Students 3rd - 6th
In this math word problems worksheet, students complete words problems having to do with butterflies. Students complete 6 problems total and click on the links in the questions to help them.
Worksheet
Curated OER

Trigonometry Sum and Difference Identities

For Students 9th - 11th
In this algebra instructional activity, students solve a word problem using trigonometric identities. They solve problems about a love triangle. There is an answer key.
Lesson Plan
Curated OER

Mental Math Blocks 2

For Teachers 3rd - 4th
In this math worksheet, students solve eleven math problems. Students solve the problems by using multiplication, division, subtraction, and addition.
Worksheet
Curated OER

The Bellman Problem

For Students 9th - 10th
In this bellman instructional activity, students use addition and subtraction to total expenditures.  They read a word problem and write an equation to solve it.  This one-page instructional activity contains 1 multi-step...
Interactive
Curated OER

SAT Problem Solving Practice Test

For Students 11th - 12th
In this problem solving practice test, learners select the best answer from 4 choices to ten questions. Questions are word problems and cover a variety of topics.
Worksheet
Curated OER

Math Cross--Puzzle #28

For Students 4th - 6th
For this hours/minutes and rounding worksheet, students fill in a crossword puzzle as they solve the answers to twenty-eight math problems involving addition, subtraction and multiplication in connection with time and rounding numbers.
Interactive
Curated OER

Math worksheets for Kids

For Students 1st - 6th
In this math activity, there are lots of links for different types of math problems. There are patterns and counting, addition and subtraction. This site is geared towards elementary kids.
Worksheet
Curated OER

Gas Problem

For Students 7th - 9th
In this gas problem, students determine the number of gallons needed to buy in order to spend a specified amount.  They compute the mile per gallon.  This one-page worksheet contains 1 word problem.  The answer is listed...
Worksheet
Curated OER

Using Fact Families

For Students 3rd - 4th
In this math worksheet, students write two addition problems and two subtraction problems for each fact family. Students also write in the missing addition or subtraction sign and answer 6 questions about a word problem.
Lesson Plan
University of Minnesota

Fraction Operations and Initial Decimal Ideas

For Teachers 4th - 6th Standards
Add another strategy to the toolboxes of young mathematicians with this elementary math lesson plan on using number lines to add and subtract fractions.
Worksheet
Curated OER

Combinations to 20

For Students 1st - 3rd
Ten frames are a great way to help visualize simple math problems, evidenced in this clear and concise word problems worksheet. Each question features two ten frames for learners to use as they solve. All numbers are 20 or less....
Assessment
EngageNY

Mid-Module Assessment Task: Grade 7 Module 2

For Students 7th Standards
A seven-question assessment determines how well your learners understand the procedures to add, subtract, multiply, and divide signed rational numbers. Pupils show their understanding through problem-solving situations. 
Worksheet
Onondaga Community College

Subtract Mixed Numbers without Renaming

For Students 3rd - 7th Standards
Develop young mathematicians' fluency with subtracting mixed numbers using this collection of practice problems. Addressing the subtraction of mixed numbers with and without regrouping, this resource clearly models each process...