Curated OER
Comparing Decimals
In this comparing decimals activity, students compare numbers with decimals in them by inserting the correct symbol. Students complete 10 problems.
Curated OER
Crossword Puzzle: Decimals Vocabulary
In this crossword puzzle: decimals vocabulary worksheet, 6th graders fill in the puzzle using the clues and math vocabulary words.
Curated OER
Decimal Addition
In this decimal addition worksheet, 7th graders solve 20 different problems that involve adding decimals. First, they write one decimal above the other with their decimal points lined up. Then, students add the two numbers as they would...
Curated OER
Multiply Decimal Numbers
In this multiplication instructional activity, students complete a set of 14 problems, multiplying numbers with one decimal place. A reference web site is given for additional activities.
Georgia Learning Connections
Stand By Me!
Get your little mathematicians moving with this experiential activity in which one child is the "tens" and another is the "ones." They collect the number of unifix cubes (in tens or singles) assigned to their respective place values and...
Curated OER
Rule of Quarters
Young scholars memorize four key decimal values for quick and accurate conversion. They convert decimal foot measurements to inches and fractions using math tables, computation or memorization. They memorize decimal foot conversions.
Illustrative Mathematics
Adding Tenths and Hundredths
Learning to add fractions with different denominators presents a big hurdle for many young mathematicians. Simplify the process for learners with this series of practice problems involving the friendly fractions tenths and hundredths....
Curated OER
Using Known Facts to Multiply and Divide Mentally
Building strong mental-math skills requires learners to have a strong number sense. They practice multiplying two and three-digit numbers in their heads using estimation or approximation. They estimate or round each number and then...
Illustrative Mathematics
How Many Tenths and Hundredths?
Four hundredths + one tenth = 14 hundredths. Learners complete place order equations in order to make each equation true. Hundredth and tenths are the focus of the instructional activity.
Curated OER
Get it Straight Mr. Decimal!
Students work with decimals. In this decimal lesson, students participate in a hands-on group activity that enable them to review to how to appropriately add and subtract decimals.
Curated OER
Roll a Decimal
Third graders take turns rolling the die, and selects an appropriate place to put the digit that was rolled in order to create a number with the largest value possible. They compete by trying to roll the highest valued number with the die.
Curated OER
Decimal War
Students practice decimals by playing war. For this decimal lesson plan, students flip over their cards and whoever's card is higher wins those cards. The person with the most cards is the winner.
Curated OER
The Long and Short of It
Fourth graders play a variety of ordering games to identify place value in whole numbers and decimals. They consider the importance of place value in dealing with money.
Curated OER
Number: Fractions
Young scholars explore equivalencies. For this decimals and fractions lesson, students examine number relationships and patterns as they compare whole numbers to decimals. Young scholars complete a worksheet that requires them to convert...
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Decimals Vocabulary Matching
In this decimal vocabulary worksheet, students match a set of 27 words to their correct definitions. Answers are included on page 2; a reference web site is given for additional activities.
Curated OER
Decimal Addition and Subtraction
In this decimal addition and subtraction worksheet, students use a computer program for initial instruction, then complete 22 problems with decimals.
Curated OER
Graphs
Students participate in a lesson exploring the concept of using graphs in various types of mathematical problems. They use negative and positive numbers in order to plot a graph. Students should use a place value chart for a reference...
Curated OER
Law of Cosines
In this cosine activity, students will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be rounded to 3...
Curated OER
Subtract Decimal Thousandths (C)
In this decimal division instructional activity, students divide the decimals that range into the thousandths place. Students solve 32 decimal division problems.
Curated OER
Numbers Make Sense
Second graders explore number values by completing estimation problems in class. In this place value lesson, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize flash...
Curated OER
Add Decimal Hundredths (A)
In this mathematics worksheet, students solve a number of problems by adding decimals to the hundredths place. There are 32 problems to solve on the sheet.
Curated OER
Subtract Decimal Hundredths (J)
For this decimal subtraction worksheet, students subtract the given decimals that range into the hundredths place. Students solve 32 problems.
Curated OER
Getting The Point
Middle schoolers complete a unit of lessons on the relationships between decimals, whole numbers, and fractions. They use paper strips to solve fraction problems, view and solve examples, and use calculators to convert fractions into...
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