Curated OER
Subtracting Across Zeros
In this subtracting across zeros worksheet, students analyze the information and examples for how to regroup multiple times if there are zeros in a series. Students then solve 9 problems.
Curated OER
Universal Proportions: Earth and Moon
Students create scale models of Earth, the Moon, and the distances within the universe. Working in groups, they construct their models of Earth and the Moon on a scale of 50:1 and calculate how far apart to place their models. They...
Curated OER
Adding Greater Numbers
In this adding greater numbers activity, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
Curated OER
Multiplication Word Problems Using Different Representations
Students solve multiplication word problems by using base 10 blocks and drawing pictures. In this multiplication lesson plan, students also write a reflection of their work.
Curated OER
Pac Man Subtraction
Third and fourth graders engage in a game using visual symbols, auditory responses and tactile stimuli to further their understanding of subtraction. A worksheet imbedded in this plan explains how to teach the game.
Curated OER
Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
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. Young scholars use these techniques to...
Curated OER
Leaping!
Students properly leap and measure their distance. In this leaping lesson, students practice leaping for accuracy and proper form. Students estimate their leaps and measure with rulers. Students determine distance covered by the entire...
Curated OER
First and Then
In this Christmas problem solving learning exercise, students solve 7 mathematical problems by first doing the work in parentheses and then solving each problem.
Curated OER
Multiply Money
In this multiplication practice worksheet, students sharpen their problem solving skills as they solve 6 story problems that require them to multiply money.
Curated OER
Subtraction Shopping
Students subtract two digit numbers. They check each other's answers for accuracy.
Curated OER
Money in India: Comparison Shopping
Students are exposed to a monetary system different from their own. They learn to exchange currencies between two monetary systems. Practice the necessary mathematical functions to find comparison. Compare prices of items sold in India...
Curated OER
Adding Decimals
In this adding decimals instructional activity, students solve 10 problems in which decimal numbers to the hundredth place are added. Some problems will need to be rewritten vertically.
Curated OER
Multiplying Two And Three Digit Numbers
In this multiplication worksheet, 4th graders follow the given examples demonstrating multiplication by two and three digit numbers. Students then complete 16 problems for mastery.
Curated OER
Dividing Two-Digit Numbers
In this dividing worksheet, students solve 10 problems in which a two digit number is divided by a one digit divisor. There may be remainders.
Curated OER
Hooked On Problem Solving
Fourth graders use properties of operations and problem-solving strategies to do mental calculations, and look for patterns in the solutions. They create an array, using each of the digits 1-9 exactly once to form addition problems...
Curated OER
Subtraction Worksheets
Subtraction worksheets can be a useful way for students to practice necessary skills.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Add Whole Numbers, Add Decimals
This website explains and defines adding whole numbers and decimals. Content explores addition with regrouping and how to align numbers in a written calculation. There are even practice problems at the end of the lesson.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Subtracting Whole Numbers and Decimals
If you are looking for a website that explains and defines subtraction with decimals you have arrived at an excellent resource. There are even practice problems at the very end of the lesson.
Other
Nearpod: Subtraction With Regrouping: Three Digit
In this lesson on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 3-digit numbers.
Other
Nearpod: Subtraction With Regrouping: Two Digit
In this instructional activity on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 2-digit numbers.
Scholastic
Scholastic: Max's Math Adventures: Subtraction Square Dance
This site has a square dance rhyme with some fun subtraction practice. Teachers will appreciate the activity page, the extra challenges, and the teacher's guide for easy lesson planning.
AAA Math
Aaa Math: Adding Six Digit Numbers
This lesson has a game and explanation of addition with six digit numbers. The game will keep running totals of your correct and incorrect answers. It will also give a percent score of the correct answers for you to see.
AAA Math
Aaa Math: Adding Seven Digit Numbers
This lesson is provided for by J. Banfill at AAAMath.com. Look over an example of adding seven digit numbers and then play this online game for practice. The game will keep track of your correct and incorrect answers, as well as give you...