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Curated OER
Problem Solving: Estimated or Exact Amounts
In this problem solving instructional activity, students read and solve 6 story problems. Students explain why estimates or exact answers were used.
Curated OER
Estimate or Exact?
In this estimate or exact instructional activity, students complete word problems where they either estimate or find the exact number. Students complete 3 word problems.
Curated OER
Problem Solving: Estimate or Exact?
In this number sense instructional activity, 5th graders solve 6 word problems and explain why the answer makes sense. They use either estimated numbers or exact numbers as they solve the problems.
Curated OER
Estimate or Exact?
In this estimating or exact answers worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
May Fair Shopping- Estimation Worksheet
In this exact or estimate worksheet, 3rd graders examine the items they will need to plan a May Fair at their school. They decide whether they will be able estimate or whether they will need an exact count of each item. They plan what...
Curated OER
Problem-Solving Decisions: Estimates or Exact Answers
In this problem solving worksheet, students examine 2 math word problems taking care to decide whether they should estimate answers or find exact answers
Illustrative Mathematics
Heads or Tails
Heads! A great way to practice probability is to flip a coin in class. The provided data allows your mathematicians to predict the probability of heads in ten coin flips. Bring coins to class and allow your own trial of heads or tails....
Shodor Education Foundation
Estimating With Fire
Watch the damage from a forest fire in this interactive simulation activity that challenges learners to estimate the burn area using different approaches. Learners are given a worksheet to track the different burn patterns and practice...
Curated OER
Estimate How Many Seeds Are In a Fruit or Vegetable
Help mathematicians estimate how many seeds are in a given vegetable or fruit. They are divided into pairs and estimate the amount of seeds in a whole fruit without seeing the inside. They then cut the fruit or vegetable in half and...
Curated OER
Recognizing Exact Numbers or Estimates
In this estimation worksheet, learners read a word problem about the Lincoln Memorial and then answer 4 fill in the blank questions where they decide whether they need to use an exact number or an estimate to answer each question.
Curated OER
Exact or Estimation
Students solve problems using estimation and exact calculations. In this algebra lesson plan, students use gum balls and thread to create hands on manipulatives to solve problems. They calculate the average of their total data.
Curated OER
At the Toy Store
In this writing math problems worksheet, 3rd graders write four math problems involving three toy store scenarios stated on the worksheet. Students determine if they are an estimate or an exact solution to the problems.
Curated OER
Reasonable Estimates
Help pupils explore estimation. They will make estimates and discuss when you might use an estimate. Then they discuss if their estimates are reasonable.
CK-12 Foundation
Finding Exact Trigonometric Values Using Double Angle Identities: Trig Values Using Double and Half Angle Formulas
The more you know, the more you can learn. Scholars apply the double angle and half angle formulas to determine trig values based on known values. They use an interactive that provides sine and cosine values to aid calculations.
Curated OER
Estimate, Solve, and Check
Young scholars estimate, solve, and check a series of addition and subtraction number and word problems. They write their estimates on a recording sheet, compute and write the answer in the next column, and check their answer with a...
Utah State University
Estimate Study Hours
How many hours should learners devote to studying outside of class? Learners use this worksheet to not only practice estimation, but also develop a valuable study skill for their future academic careers.
K12 Reader
Estimation
Teach your class a thing or two about making educated mathematical guesses. Learners read a passage that explains estimation and approximate and exact answers. They then respond to five questions about and related to the text.
NASA
Resolving 3-Plane Traffic Conflicts by Changing Speed—Problem Set F
Get three planes to line up safely. Individuals work through a set of problems to eliminate spacing conflicts between three airplanes in flight. The pupils use their knowledge to change the airplanes' speed or route to meet a...
Houghton Mifflin Harcourt
Unit 5 Math Vocabulary Cards (Grade 5)
Reinforce math vocabulary with a set of flashcards. Twenty-two cards offer either a bold-faced word card or a corresponding definition card equipped with an example and labels. Terms include factor, repeating decimal, unit fraction,...
Curated OER
Dental Impressions
What an impressive task it is to make dental impressions! Pupils learn how dentists use proportional reasoning, unit conversions, and systems of equations to estimate the materials needed to make stone models of dental impressions....
Curated OER
Estimation and Measurement
Get second graders outside to estimate and measure how long 800 meters is on their school campus. They then measure the actual distance in yards to see how close their estimate was. An interesting teaching idea!
Curated OER
Mystery Jars: Make Your Own
There are many ways to implement this estimation and counting activity. Young mathematicians fill jars with objects to create "mystery jars." Add difficulty by using smaller objects. After counting, learners secretly record their exact...
Curated OER
Differentiation
Learners explore estimated and exact results for derivatives, tangent lines, implicit differentiation, and symbolic differentiation. The lesson provides examples with solutions and practice problems.
Illustrative Mathematics
Tax and Tip
Finding out how to calculate tax and tip is a valuable skill that all young adults should be able to do without a calculator. Learners are given a bill and asked to calculate the tax, tip, and total amount. Calculations can be exact or...