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Adding and Subtracting Decimals
The addition and subtraction of decimals is a relatively simple process. The most important thing to remember is to have all of the decimal points lined up. This presentation gives that strategy, plus some others to use when performing...
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Properties of Numbers
In this algebra worksheet, students solve problems using the 4 different properties of numbers. They apply associative, commutative, additive and distributive properties to each equation. There are 10 multiple choice questions with an...
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Coloring Fabrics With Dyes from Plant Materials K-12 Experiments & Background Information
Students investigate the effects of acid and bases on dyes made with plant materials. In this chromatography lesson students predict color outcomes and complete a lab activity on color combinations.
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Adding More Than Two Numbers
In this adding more than two numbers worksheet, students, working with a partner, calculate the answers to eleven addition equations.
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Relating Multiplication And Addition
In this relating multiplication and addition worksheet, learners, with a partner, problem solve and calculate the answers to ten subtraction and addition equations.
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Mental Math: Use the Properties-Reteach
In this mental math reteach instructional activity, students review the commutative, associative and distributive properties, then complete a set of 13 problems. A reference web site is given for additional activities.
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Addition Properties and Subtraction Rules
In this addition and subtraction instructional activity, students review the addition properties and the subtraction rules. Students then complete each number sentence and tell which property or rule was used.
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Mental Math Methods
In this mental math worksheet, students use mental math methods to solve problems. Students complete 1 addition, 1 multiplication, and 1 subtraction problem using these methods.
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Popsicle Stick Regrouping Fun
Students demonstrate regrouping in subtraction. In this math computation lesson, students use popsicle sticks to practice the regrouping strategy. Students practice several examples of regrouping problems in small groups.
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Patterns, Functions & Algebra
Students participate in numerous activities and games. In pairs, they play card games to find relationships between a random set of playing cards. After writing samples of Dear Abby letters concerning math problems, students create a...
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Number Sense
First graders practice rounding 4 digit numbers using place value concepts. For this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
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Subtracting Within the Same Ten
In this subtraction instructional activity, students subtract one digit numbers from one and two digit numbers with the same 10. Students complete 8 sets of problems.
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Mean Averages
Fourth graders examine a number of data sets while practicing finding the mean, median, and mode of the numbers.
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Finding Averages
In this averages and mean worksheet, 4th graders find the average and/or mean of 5 groups of numbers and place their answers on the lines provided.
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Subtracting Greater Numbers
In this subtracting greater numbers worksheet, students, with a partner, problem solve and calculate the answers to six addition equations.
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Sums With 9
In this sums with nine worksheet, 1st graders calculate the sums of nine in ten sets of red dots, calculate the answers to twenty five addition equations.