Curated OER
All A-buzz About Math
Second graders participate in Math-Eze activities to comprehend word problems. In this word problem lesson, 2nd graders recognize why a hexagon is the best shape for a beehive. Students calculate how far bees must travel to find 2 lbs....
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Mental Arithmetic Sets 3 and 4
In this mental arithmetic learning exercise, 3rd graders answer 20 short answer questions related to place value, addition, subtraction, and skip counting.
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Using Math with Sale Papers
Fifth graders estimate their results and then prove through calculations. In this math instructional activity, 5th graders solve problems using multiplication, division, addition, and subtraction. They also use mental math to solve their...
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Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
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Two-Digit Subtraction With Regrouping
Young scholars practice their subtraction skills by solving 2 digit subtraction equations the teacher lists on the board. In this subtraction with regrouping lesson plan, students use the regrouping method to solve the 2-digit...
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Adding and Subtracting Decimals
Learners practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
Math Salamanders Ltd.
Subtracting 1, 10, 100 and 1000
For this subtraction worksheet, learners use the given number in the first row to practice their subtraction skills. Students complete the chart by subtracting 1, 10, 100, and 1000 from the first number.
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Jack and the Beanstalk Estimation
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
Math Salamanders Ltd.
Adding 1s, 10s, 100s, and 1000s
In this addition activity, students complete a 13-row chart. They start with three or four-digit numbers and add 1, 10, 100, or 1000 to each number to fill in the chart. The last four questions require subtraction because the initial...
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The Fundamental Theorem of Calculus and Properties of the Definite Integral
Students discuss the importance of fundamental theorems in math. In this calculus lesson, students define the fundamental theorem of calculus and discuss why it is so important they understand it. They work problems to model how this...
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Standard Written Method for Subtraction (2)
In this subtraction worksheet, students learn how to solve decomposition subtraction problems with 2-digit numbers. They then solve 9 subtraction problems on their own. The answers are on the last page of the packet.
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The Nuts and Bolts of a Mathematical Expression
Fourth graders complete a worksheet that asks them to order operations within a mathematical expression. students evaluate the expressions in the correct order using mental math and paper. The results are recorded on the worksheet.
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Addition and Subtraction as Inverse Operations
In this addition and subtraction worksheet, students work with the inverse operations. They fill in the boxes in 8 examples using mental math. They look at the addition problems and fill in the blanks in the subtraction problem and vice...
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Addition and Subtraction Pick n Mix 2
Fourth graders practice a wide range of strategies for solving addition and subtraction problems containing decimal fractions. They add and subtract fractions, decimals and integers while generalizing the properties of operations with...
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Formulae: Mental Tests
In this formulae worksheet, students find the value of a function, compute total cost, and simplify algebraic expressions. This four-page worksheet contains 30 problems.
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Teaching and Learning Through Objects
Students identify and interpret the function, usefulness or utitlity, form, beauty or aesthetics, and meaning, context or story, of objects and how they learn new skills and make things that they learn traditionally, by observation and...
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2 digit subtraction
Second graders subtract numbers 0 through 10 from 2 digit numbers using different subtraction methods. In this subtraction lesson plan, 2nd graders practice crossing out numbers in a number line, using a 10, and using their fingers to...
Math Salamanders Ltd.
Subtraction: Two Digit Numbers
In this subtraction with two-digit numbers worksheet, students use a strategy to solve thirty problems in their heads by subtracting tens and then ones.
Curated OER
Blueberries for Sal
Students read the book "Blueberries for Sal" and complete various computation math activities with blueberries. In this computation activity, students complete number sentences, play guessing games, and solve story problems using...
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Subtracting Two- and Three-Digit Numbers
In this subtracting two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to fourteen subtraction equations.
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Math Vocabulary
In this math vocabulary worksheet, 6th graders match twenty-three math vocabulary words from column A to the definitions in column B.
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Multiplication & Division
Helpful for building a multiplication unit that focuses on different strategies. With explanations about repeated addition and subtraction as foundations for multiplication, scaling, summaries of progression, and basic multiplication and...
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10 More or 10 Less
Practice adding and subtracting 10 with this outer space worksheet. On the top, scholars match digits floating in stars with sums inside a spaceship. Next, they do the same with subtracting 10, connecting numbers to differences. These...
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The Difference Bar 2
Students use Internet software, The Difference Bar, to work out the difference between two numbers by breaking numbers into parts. Students use mental strategies to work out the difference between any 2 two-digit numbers. Students...