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Curated OER
Place Value
Third graders review place value by arranging four numbers to make the highest number possible. They are shown a hundred flat. Students are asked to show another way of making 100 using base-ten blcoks. They are then shown a thousands...
Pennsylvania Department of Education
Using Multiplication to Solve Word Problems
Fourth graders solve word problems using multiplication. In this multiplication lesson plan, 4th graders write and solve word problems using their prior knowledge of multiplication.
Curated OER
Number Stories
Pupils 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...
Curated OER
Let's Take a Trip!
Sixth graders plan trip for family of four, and choose best travel plan by studying maps, considering different routes, and visiting Web sites to get airline and travel schedules.
Curated OER
Jack Math Scramble
Young scholars practice throwing and catching jacks to improve their hand-eye coordination. In groups, they participate in a variety of games in which they use the jacks to improve their problem solving skills. To end the activity, they...
Curated OER
Dream Car Math
Students collect car cost comparison data from the "Car Wizard" web site to use as problem solving and for calculations related to math.
Curated OER
Subtraction Decimals
In this math worksheet, students subtract the decimals while taking special care to keep the decimals in the correct place value. The answers are also available.
Curated OER
Decimals Vocabulary Matching
In this decimal vocabulary learning exercise, students match a set of 27 words to their correct definitions. Answers are included on page 2; a reference web site is given for additional activities.
Curated OER
Adjusting the Quotient
Fourth graders use number facts to estimate quotients. In this division lesson plan, 4th graders examine long division problems to determine which multiple of ten will help them determine a number that is close to a quotient. They adjust...
Curated OER
Crossword Puzzle: Decimals Vocabulary
In this crossword puzzle: decimals vocabulary learning exercise, 6th graders fill in the puzzle using the clues and math vocabulary words.
Curated OER
Base-Ten Rounding
Fifth graders explore the base-ten rounding method. Using base-ten blocks, 5th graders build two-, three-, and four-digit numbers. After discussion, they round numbers to the nearest 10. Using the computer, students participate in a...
Curated OER
Hands On Math Lessons with Technology
Students explore a variety of math concepts. In this integrating technology lesson, students visit online webtools such as Max's Math Adventure, I Know That Math, Hands on Banking, and more. A description of each website is provided.
Curated OER
Vocabulary Word Search Puzzle
In this literacy worksheet, students find the words that are in the word search puzzle that focus upon the vocabulary that is from the theme of the sheet.
Curated OER
Dividing With Decimals
In this decimal division worksheet, students solve 18 division problems. Each problem includes decimals as the dividend, divisor, or both.
CK-12 Foundation
Ck 12: Elem Math: Comparing With Two Step Addition and Subtraction Word Problems
[Free Registration/Login may be required to access all resource tools.] The video is a 2 part word problem using addition and subtraction of 2-digit numbers. The video is followed by practice problems to assess student understanding of...
Primary Resources
Primary Resources: Addition and Subtraction Higher Numbers
An extensive selection of teacher resources to aide in teaching and reviewing addition and subtraction of two and three digit numbers, inverse operations, counting on, and other mental strategies for addition and subtraction. Resources...
CK-12 Foundation
Ck 12: Elem Math: Mixed Operations Addition and Subtraction I Word Problems
[Free Registration/Login may be required to access all resource tools.] The video shows how to solve a word problem with addition and subtraction of two-digit numbers. The video is followed by a series of practice questions to assess...
Illustrative Mathematics
Illustrative Mathematics: Saving Money 2
The purpose of this task is for students to relate addition and subtraction problems to money and to situations and goals related to saving money. A problem is given that will contain multiple solutions, this allows students to think...
Khan Academy
Khan Academy: Addition Using Groups of 10 and 100
In this exercise, students practice addition using groups of 10 and 100. Students receive immediate feedback and have the opportunity to get hints, watch a video tutorial, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2...
Topmarks Online
Topmarks: Helicopter Rescue
A game which helps students identify and work with two-digit numbers. There are four game modes: Find a Number, Find the Number Between Count On, and Count Back. The counting on and back games reinforce the vocabulary of addition and...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
Topmarks Online
Topmarks: Blast Off
Play these games to check your understanding of two-digit numbers. The oral questions provide practice in listening skills, the Count On and Count Back games provide practice with the vocabulary of addition and subtraction.
CK-12 Foundation
Ck 12: Elem Math: Adding and Subtracting Three or More Numbers
[Free Registration/Login may be required to access all resource tools.] This is a set of practice problems where students are given word problems where they have to add or subtract 3 or more 1-digit numbers.