Noyce Foundation
Mixing Paints
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
Curated OER
Fractions and Decimal Equivalents: Fifth Grade
Sometimes a skeleton is all you get. This lesson outline provides teachers with a basic lesson flow. Pupils will pre-test, order place value names, use manipulatives, and build and compare numbers. How this is to be done is not...
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Drop it or not?
Students explore fractions. In this fraction lesson, students play an interactive game and use manipulatives to practice working with fractions.
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Numerical Analysis/ Examples of Round Off Errors
In this math instructional activity, students practice computing the errors for rounding off and use the skill of analysis to find the true solutions.
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Square Roots and Real Numbers
In this square roots and real numbers learning exercise, 9th graders solve and complete 12 different problems that include types of numbers. First, they find each square root, rounding to the nearest hundredth. Then, students evaluate...
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Writing Fractions as Decimals
In this fractions to decimals worksheet, learners write a set of 6 given fractions as decimals, rounding to five decimal places. A reference web site for additional resources is given.
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Converting Fractions to Decimals
In this Algebra I worksheet, 9th graders convert fractions to decimals rounding to the indicated decimal place. The one page worksheet contains six questions. Answers are not included.
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Scale Drawing Lesson Plan
Students calculate actual building measurements from a village map using concepts of ratios and scale in this ten lesson plan mini-unit. They practice measuring angles, multiplying decimals, estimating height and length, and converting...
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.
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Metric Conversion
In this metric conversion worksheet, students problem solve fourteen exercises where they convert fractions to decimals and decimals to fractions.
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Estimating Expenses
In this estimation worksheet, middle schoolers estimate expenses of different items by solving word problems. Students estimate expenses for 5 problems.
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Percent of Change
In this algebra instructional activity, students convert between percents and decimals. They calculate sales tax, discounts and relative errors. There are 4 questions with an answer key.
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Ready to Round
First graders are introduced to the concept of rounding to the nearest ten through the use of a number line created from a hundreds chart.
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Subtracting Whole Numbers and Decimals
In this math worksheet, students learn to subtract whole numbers and decimals. Students are given step by step directions on how to solve one sample problem, then complete 5 examples on their own. Example: 6.57 - 3.28. There is...
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Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
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Mental Money
Learners access prior knowledge to round numbers and add decimals. In this mental math lesson plan, students share the book Betcha and calculate estimates for three jars based on the book. Learners calculate money answers based on coins...
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Why Guess When You Can Estimate
They apply various strategies in their estimations. They analyze the differences between guessing and estimating. They estimate the number of beans and jellybeans in egg cartons and jars respectively.
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Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation instructional activity, 2nd graders solve real life problems to understand estimation and money problems.
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Making Change
Second graders explore how to incorporate a new type of technology, the cash register and/or a calculator, as a motivational tool for solving real life problems. They practice estimating money and counting back change from $20.00.
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Measurement Scavenger Hunt
Students review estimation, measurement, fractions, decimals while familiarizing themselves with a new classroom at the beginning of the year.
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Decimals: Worksheet 2
In this decimal activity, students solve a total of 31 decimal problems including: writing decimals, determining the smaller of 3 decimals, determining place value, rounding, filling in missing numbers and word problems.
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Decimal word problems
For this decimals worksheet, students complete word problems having to do with decimals up to 4 digit numbers. Students complete 10 multiple choice problems.
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Decimal Rounding
In this decimal worksheet, students round decimal numbers to a place given and submit answers on-line. Students use the tab button to progress to the next question.
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Money Game
Fourth graders give change of one dollar. In this decimal and fractions instructional activity, 4th graders receive fake coins and discuss what they could purchase with them. Students go for a walk and spend one dollar and get their...