Curated OER
Calculator Spelling
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
Curated OER
Subtracting Two- and Three-Digit Numbers
For this subtracting two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to fourteen subtraction equations.
Curated OER
Basketball: Number Sense
Third graders explore their addition and subtraction skills. In this number sense lesson plan, 3rd graders analyze different scoring possibilities for a basketball game. This lesson plan incorporates the use a video titled "Blossom and...
Curated OER
Add and Subtract Decimals
In this decimal worksheet, students read about adding and subtracting, then complete a set of 31 problems, adding, subtracting, solving for values of expressions and solving equations.
Curated OER
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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Finding a Difference
Students find a small difference by counting up from the smaller to the larger number. They count the ones that don't match, lay them horizontally to match them to the orientation of the number line and show the two numbers on...
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Circle Drill
In this math facts activity, students read about using the circle drill chart to practice addition facts, multiplication facts, and subtraction facts. Student use the blank chart to practice the skill.
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Compatible Numbers To Ten
Young scholars solve both addition and subtraction facts and discover the relationship between adding and subtracting equations. Students read real life word problems, extrapolate needed information, and write equations to solve the...
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Water Bucket Relay
Third graders, in teams, play a subtraction game called Water Bucket Relay.
Curated OER
The Number Tool Box
In this solving a math terms crossword puzzle worksheet, students read the clues across and down and write the math terms in the blanks. Students write 19 answers.
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...
Curated OER
Number Line Math
Second graders use a number line to practice subtraction. For this subtraction lesson, 2nd graders use a number line to count backwards. Students participate in mad math activities and solve problems.
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Mental Addition and Subtraction
Fourth graders, while in the computer lab, practice the concepts of mental addition and subtraction by participating in an online game that stresses addition and subtraction. They have sixty seconds to answer as many questions as...
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Mental Addition And Subtraction
Sixth graders, while in the computer lab, participate in the game ArithmAttack and complete as many additions and subtraction equations as they can in sixty seconds. They access the web site Mathfrog.com and begin their adventure with...
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Got These Properties? (Commutative in Addition/Zero in Addition and Subtraction)
Second graders examine the commutative property of addition and the property of zero in addition and subtraction. They complete an asessment worksheet to gain practice reading and working number sentences horizontally and vertically.
Curated OER
Subtraction - Numbers to 12
For this subtraction worksheet, 1st graders solve for the differences in 30 vertical problems in which they use numbers up to 12.
Math Mammoth
Distributive Property
In this math activity, students are given 30 problems to solve involving the distributive property, variables, parentheses, and area problems. The final set of problems asks students to solve problems mentally, without writing them down,...
Curated OER
When Close Enough is Good Enough
Learners describe the difference between an estimate and a guess. They create reasonable estimates based on observation and hands-on activities. They synthesize estimated based on interaction with online activities.
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Units of Measure
In this units of measure worksheet, students mentally convert measured units within the metric system. This three-page worksheet contains two-pages. Answers are provided beside each question.
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Dividing by 4's
Third graders explore math functions by completing problem solving activities. For this division lesson, 3rd graders utilize the division strategies acquired earlier to divide multiple digit numbers by 4's. Students complete problems on...
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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...
Curated OER
Topsy-Turvy Math With Rational Numbers
Fourth graders complete a worksheet. As a whole class, 4th graders hear a lecture and complete a worksheet on factors, multiplicative inverses and reciprocals, finding the quotient of two fractions and the division of fractions to...
Curated OER
Subtracting 1, 10, 100 and 1000
In this subtraction worksheet, students 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.
Curated OER
Life is Full of Problems
Pupils use the problem solving strategy of guess and check to investigate math word problems. They determine which problem solving strategy or strategies would work best in problem situations.