Curated OER
Scale Drawing Lesson Plan
Learners calculate actual building measurements from a village map using concepts of ratios and scale in this ten lesson mini-unit. They practice measuring angles, multiplying decimals, estimating height and length, and converting metric...
Curated OER
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.
Curated OER
Square Roots and Real Numbers
In this square roots and real numbers worksheet, 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 each...
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences instructional activity, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
Place Value
In this place value learning exercise, students solve and complete 25 various types of problems. First, they use the concept of rounding to answer the questions described. Then, students use each number once to find the largest and...
Curated OER
Law of Cosines
For this cosine worksheet, 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
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...
Teach Engineering
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
Curated OER
Mental Money
Students 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. Students calculate money answers based on coins...
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation activity, 2nd graders solve real life problems to understand estimation and money problems.
Curated OER
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.
Curated OER
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.
Curated OER
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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Let's Go Shopping with $500
Third graders use a worksheet to budget a five-hundred dollar shopping spree. They select goods to purchase, figure totals and then calculate discounts and sales tax. They compare results to determine who purchased the most for his or...
Curated OER
2002 State Flower Show
Here is another State Quarter lesson. This one uses the Mississippi State Quarter. Pupils utilize beautifully-designed worksheets embedded in the plan, to practice calculating which combinations of flowers they can afford to buy. They...
Curated OER
Decimal Fractions
Students use rounding and compensating with whole numbers and explain how to use the empty number line to show additions and subtractions. They round and compensate in relation to decimal subtraction
Background
Curated OER
Reciprocal Learning-Decimal Review
Students use reciprocal learning to coach one another in review of their prior learning about decimals. For this peer reciprocal learning decimal review lesson, students participate in conversation, accountability, roles and...
T. Smith Publishing
Estimate Products of Mixed Numbers
Practice, practice, practice! There are 35 problems to solve on this handout, all of them involving the multiplication of mixed numbers. Although the publisher has tagged it as designed for several Common Core standards, there are no...
Curated OER
Decimal Word Problems
In this decimals worksheet, students solve 10 different word problems that include using decimals. First, they determine the amount of change received from a cashier given a specific amount. Then, students write a decimal representing...
Curated OER
Store Wide Sale
Students practice figuring percentages by solving written shopping problems. In this consumer math activity, students read several scenarios dealing with items on sale and must figure out the new price. Students check their work with a...
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Fraction Dominoes
Fourth graders participate in a math game that involves practicing their equivalent fraction skills in the advanced multiplication stage seven. They assess their ability skills of equivalent fractions to match twenty seven dominoes on...
Curated OER
Alphabet & Number Books for Young Children
First graders create either an alphabet or number book using Kid Pix software. In this alphabet and/or number unit, 1st graders design a themed alphabet and/or number book using the Kid Pix software over the course of three weeks....
Curated OER
Cigarette Smoking
Students analyze the monetary cost associated with smoking cigarettes. They calculate the life expectancy associated with how many cigarettes are smoked a day. They complete story problems as well.
Curated OER
Number and Operations- Using Gift Certificates
Students apply number and operation skills to learn how to spend a gift certificate. In this mathematical reasoning lesson, students use base 10 blocks as money and calculate how much money they have.