EngageNY
The Division Algorithm—Converting Decimal Division into Whole Number Division Using Fractions
Knowing the standard algorithm opens up a whole new world of division. Scholars learn how to convert division involving decimals to division involving whole numbers to use the standard algorithm. Knowing how to multiply with powers of...
Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks at...
Virginia Department of Education
Practical Problems Involving Decimals
After discussing decimals and "going shopping" in the classroom, young mathematicians are given four practical word problems that require them to estimate their answers, given specific information. The highlight of the lesson is having...
Mathed Up!
Estimation
Reinforce estimation and the four operations—addition, subtraction, multiplication, and division—with eight page, 15 problem independent practice exercise.
Illustrative Mathematics
Reasoning about Multiplication and Division and Place Value, Part 2
The learner puts reasoning and estimation to work. The directions are to place a decimal in the answer to make the equation true. Pupils are to look at the two problems, one multiplication and one division, and estimate an answer. No...
Math Doctor
Chapter 5: Decimal Notation
Explore all things decimal in this thorough series of introduction activities. Including scripting for the teacher and detailed descriptions and examples, the plan begins by reviewing the basics of place value and writing fractions as...
Curated OER
Estimating With Decimals
In this math learning exercise, students complete 14 problems where they estimate money amounts and multiplication products using numbers with decimals. Examples are provided in this well-designed learning exercise.
Curated OER
Dividing Decimals
In this mathematics worksheet, 6th graders find the quotient for each problem listed. Then thy explain their estimates, divide, and multiply to check their answers.
Curated OER
Estimation and Approximation
In this estimation and approximation learning exercise, students determine the estimated value of given multiplication and division problems containing decimals. They round answers to the nearest whole number. This two-page learning...
Curated OER
Estimation and Approximation
For this estimation and approximation worksheet, learners estimate multiplication and division problems containing decimals. They measure given objects, determine the possible error, the lower bound and the upper bound. Students gather...
Curated OER
Decimal Word Problems
For this problem solving worksheet, students use their knowledge of decimals, estimation, multiplication, and division to solve story problems. Students solve eight problems.
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
Laboratory for Atmospheric and Space Physics
Where Are We Going?
Come take a ride on the space bus! Scholars go on an imaginary trip to pick up their peers from the inner and outer planets while reinforcing math skills. First, learners round decimals to identify each planets' distance from Earth....
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 3
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently.
Curated OER
Division Equations
In this division worksheet, students solve algebraic problems containing fractions. This one-page worksheet contains 11 problems. Answers are provided. This worksheet may be completed on-line or produced in printed form.
Curated OER
Decimals
In this decimals worksheet, students solve and complete 10 various types of problems. First, they multiply or divide each pair of decimals given. Then, students circle an approximation to each given decimal problem listed at the bottom.
Curated OER
Decimals: multiplication, division
In this decimals worksheet, students complete multiplication and division problems with numbers containing decimals. Students complete 8 problems total.
Curated OER
Number Sense and Operations
In this number sense and operations worksheet, 7th graders solve 15 different types of problems that include estimation and expanded notation. First, they simplify various equations by following the order of operations. Then, students...
Curated OER
Calculator
For this mathematical calculations worksheet, 4th graders complete 12 multiplication problems by using a calculator. Students also develop an estimate for these problems.
Noyce Foundation
Sewing
Sew up your unit on operations with decimals using this assessment task. Young mathematicians use given rules to determine the amount of fabric they need to sew a pair of pants. They must also fill in a partially complete bill for...
Curated OER
Using Inequalities to Problem Solve
Students explore inequalities. For this Algebra I lesson, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division. Students use inequalities to solve and graph real-world problems.
Helping with Math
#10: Solving Equations (2 of 2)
In this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the skill...
Curated OER
Averages and Percentages
In this averages and percents learning exercise, students identify and define average as all numbers together divided by the total number of items added. Then they identify and define percent as the given number out of a total possible....