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Illustrative Mathematics
Shrinking
Is Aunt Nancy shrinking? Find out by calculating with the average height women lose each year. The activity practices multiplying and dividing with decimals and rounding the final answer.
Newspaper Association of America
By the Numbers: Mathematical Connections in Newspapers for Middle-Grade Students
A cross-curricular resource teaches and reinforces mathematical concepts with several activities that use parts of a newspaper. Scholars use scavenger hunts to find the different ways math is used in the paper along with using data...
Curated OER
Multiplying Decimal Numbers: Using Zeros as Placeholders
Explore decimals with upper graders. They solve problems from their textbook involving decimal multiplication. Afterward, as a class, they check their answers by comparing them to those projected with an overhead projector.
Curated OER
Mat 0024 Section 1.4: Signed Numbers and Decimals
This activity has a little of everything. Compare fractions, determine if numbers are less than, greater than, or equal to. Then practice lining up the decimals to add and subtract decimal numbers. Then multiply decimals remembering to...
Curated OER
Rounding Decimals
In this rounding decimals learning exercise, students solve 19 problems in which decimal numbers are rounded to the nearest tenth or whole number. There are instructions and examples here.
Helping with Math
Identifying and Writing Decimals up to Hundredths
Five sets of blocks representing whole units, tenths, and hundredths are grouped so that learners can evaluate the total values. This provides practice with place value and the use of decimals. Answers are included. The brevity of this...
Curated OER
Converting Fractions, Decimals, and Percents
Prime or review the steps needed to convert fractions, decimals, and percents. Each slide contains very basic rules of conversion and a few examples of each. The content of this resource is good, but the layout of the text could be better.
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Multiplying Decimals
Fifth graders solve 35 multiplication equations, all of which have one number with a decimal multiplied by a single-digit number. The decimal numbers all are single-digit with a decimal only to the tenths place, so this is ideal for...
Curated OER
In Round Numbers
Students explore the concept of rounding. In this rounding lesson plan, students use their calculator to round three digit numbers to the nearest 10 or nearest 100. Students round fractional numbers to the nearest tenth,...
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Comparing Decimals
In this comparing decimals worksheet, students compare numbers with decimals up to the hundredths place. Students complete 13 problems.
Curated OER
Adding Decimal Numbers - Tenths
In this adding decimals worksheet, students add numbers with decimals to the tenths. Students complete 21 problems total on this worksheet.
Curated OER
Estimating With Decimals
In this math worksheet, students complete 14 problems where they estimate money amounts and multiplication products using numbers with decimals. Examples are provided in this well-designed worksheet.
Curated OER
Dividing Decimals by Whole Numbers
In this division worksheet, students divide numbers with decimals by whole numbers. Students complete 4 division problems and review how to complete them.
Curated OER
Adding Decimals with Hundredths
In this adding decimals worksheet, students add numbers with decimals in the hundredths place. Students complete 4 sets of problems.
Curated OER
Rounding Decimals
In this rounding decimals worksheet, students round numbers with decimals to the hundredths place. Students complete 10 problems.
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Decimal Numbers
In this adding decimals worksheet, students add numbers with decimals after looking at examples and number lines. Students complete 6 problems.
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Addition with decimals
In this addition with decimals worksheet, students add three and four digit numbers together that contain decimals. Students complete 40 problems.
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Adding Decimals
In this addition of decimals worksheet, learners add up to 4 digit numbers together with decimals in them. Students complete 12 problems.
Curated OER
Fractions, Decimals, and Percentages Got You Down? "Tri" This!
Students explore number sense by creating a math presentation in class. In this parts of a whole lesson, students define and discuss the relationship between fractions, decimals and percentages before completing a problem worksheet in...
Curated OER
Rounding Decimals
Looking for 60 opportunities for scholars to practice rounding decimals to the nearest whole number? You've found it! These problems are split into three sections based on the total number of digits in the number. The first section has...
Curated OER
Divide by 10
In this divide by 10 activity, students divide two digit numbers and numbers with decimals by 10. Students divide 15 numbers by 10.
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Represent Whole Numbers and Decimals
In this representing whole numbers and decimals practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
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Adding Decimals
In this adding decimals worksheet, students add numbers with decimals that are 2 digit numbers. Students complete 10 problems.
Curated OER
Dazzling Decimals: Pre Test
In this decimals instructional activity, students complete multiple choice questions where they answer questions about decimals on a hundreds block and add numbers with decimals together. Students complete 10 problems.