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Interactive
Curated OER

Adding and Subtracting Weights

For Students 6th - 8th
In this online math worksheet, students practice adding and subtracting metric weight values. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching...
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Interactive
Curated OER

Adding and Subtracting Time

For Students 6th - 8th
In this online math activity, students practice adding and subtracting aspects of time. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
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Worksheet
Curated OER

Jesus + Bible = Church

For Students 9th
In this cryptarithm worksheet, 9th graders are given a sentence and asked to solve using addition. They replace each letter with numbers to make up an addition problem. There is an answer key with this assignment.
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Worksheet
Curated OER

The Ditionary Trick

For Students 9th - 12th
In this secondary mathematics worksheet, students investigate a riddle involving the use of the dictionary and subtraction of three digit numbers.  The one page worksheet contains one problems with an explanation of why the trick...
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Worksheet
Curated OER

Game of Fifty

For Students 6th - 11th
In this statistics worksheet, students play a game of fifty. The object of the game is to reach fifty before anyone else. This is fun game to review addition and odd and even numbers. 
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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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Worksheet
Curated OER

Math Word Search: Calculate Words

For Students 4th - 5th
In this math operations word search, students search for 15 math related words hidden within the puzzle. More words may be found as well. 
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Lesson Plan
Curated OER

Team Problem-Solving Fun

For Teachers 3rd - 12th
Students work in groups to solve a variety of puzzling activities which include math, spelling, anagrams, and geography. They use cooperative skill to accomplish each task and chart their group progress.
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Worksheet
Curated OER

Fact Finding

For Students 3rd
In this number search puzzle instructional activity, 3rd graders locate and circle 20 addition, subtraction, multiplication and division facts hidden in the puzzle involving the number 6.
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Lesson Plan
Curated OER

Fact Families

For Teachers K - 2nd
Students create "fact families" using digital pictures of their classmates and knowledge of basic math concepts (subtraction and addition) in this technology-based math lesson intended for use in the early-elementary classroom. A...
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Worksheet
Curated OER

Arithmetic Revisions

For Students 9th - 11th
In this algebra worksheet, students perform basic addition and subtraction operations by finding the missing digits. There are 30 questions dealing with multiplication, addition and graphing.
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Lesson Plan
Curated OER

Tantalizing Tangrams

For Teachers 4th - 5th
Students create puzzles of animals based on the 12-animals cycle of the Lunar Calendar. They use logical or spatial relationship skills. Students comprehend the mathematical term geometry. They research the history, beliefs of the...
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Worksheet
Curated OER

Mixed Math Review

For Students 4th - 5th
In this mixed math review worksheet, students complete 25 problems. Students solve addition and multiplication puzzles, elapsed time word problems and find equivalent fractions. This was intended as online practice, but can be completed...
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Lesson Plan
Curated OER

Teaching Arithmetic and Math Concepts to Headstarters

For Teachers Pre-K - K
Students discover early number concepts for numbers 1 through 5. In this number concepts lesson, students work in stations doing hands-on activities such as sorting colored blocks, stringing beads, and counting sticks. Students also...
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Lesson Plan
Curated OER

Transportation Math

For Teachers 6th
Sixth graders solve transportation themed word problems. For this word problem lesson, 6th graders solve transportation themed word problems using critical thinking skills.
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Lesson Plan
Curated OER

Transportation Math

For Teachers 4th - 6th
Young scholars explore the concept of exponents.  In this exponents lesson, students evaluate various bases to powers.  The bases to a given power are in the context of miles driven, stops on a route, and minutes spent in...
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Worksheet
Curated OER

Making 10

For Students 1st - 2nd
In this making ten worksheet, students add to ten by using two number cards. Students think of as many ways possible to use 2 cards (from 1 to 9) to make a sum of ten.
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Worksheet
Curated OER

What is the Cat Looking For?

For Students 2nd - 4th
In this addition worksheet, learners answer 10 fill in the blank questions where they rewrite number sentences to use the making ten strategy. Then students use the answers to solve a connect the dot puzzle.
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Worksheet
Curated OER

Bug Bite

For Students 3rd - 6th
For this addition worksheet, students add three to five numbers together with regrouping and match the answer to the letter in the problem to solve a riddle. Students solve 15 problems and answer 2 questions.
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Worksheet
Curated OER

Determine the Digit Represented by Each Letter

For Students 7th - 11th
For this puzzle worksheet, students determine the digit represented by nine letters to make the addition correct. Two possible solutions are provided at the bottom of the page.
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Worksheet
Curated OER

Check Subtraction

For Students 1st - 2nd
In this subtraction word problems worksheet, students use subtraction to solve the six word problems. Students then check the problems with addition.
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Interactive
Curated OER

Correct number sentence

For Students 2nd - 3rd
In this addition worksheet, students find the correct number sentence for an addition word problem containing one digit numbers. Students have 3 number sentences to choose from for 1 problem.
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Interactive
Curated OER

Exercise Require Mathematical Operation

For Students 3rd
In this addition worksheet, 3rd graders choose the appropriate number sentence to solve the addition word problem. Students complete 1 problem.
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Worksheet
Curated OER

Secret Trail

For Students 3rd - 6th
In this addition instructional activity, students find the secret trail on the grid from the starting number to the ending number by adding a trail of numbers. Students complete 12 problems.