EngageNY
Tides, Sound Waves, and Stock Markets
Help pupils see the world through the eyes of a mathematician. As they examine tide patterns, sound waves, and stock market patterns using trigonometric functions, learners create scatter plots and write best-fit functions.
Curated OER
Alternative Algorithms
Analyze algorithms for computing with rational numbers and develop fluency in their use with your math class. They work individually to solve the problems on the "Alternative Algorithms" sheet. Then, they analyze the appropriateness of...
Concord Consortium
Full of Beans
Scholars have an opportunity to use their geometric modeling skills. Pupils determine a reasonable estimate of the number of string beans that would fill the average human body.
Curated OER
Examining Estimation
Second graders participate in various activities which help them explain and explain the difference between an estimate and an exact amount.
Curated OER
It's Close Enough: Rounding and Estimation
Second graders round to the closest five, ten, and hundred. They use place-value concepts of grouping based upon powers of ten (thousandths, hundredths, tenths, ones, tens, hundreds, thousands) within the decimal number system.
Curated OER
Estimation With Percents
Pupils examine percents. In this percents lesson, students will estimate percentages. Using advertisements from a newspaper, pupils problem solve to determine the final price of a sale item.
Curated OER
Estimation and Approximation
In this estimation and approximation learning exercise, students estimate multiplication and division problems containing decimals. They measure given objects, determine the possible error, the lower bound and the upper bound. Students...
Curated OER
Count on Math
Students develop number sense up to a million. In this developing number sense up to a million lesson, students count their breaths in given time span. Students use blocks representing 10's and 100's to create a...
Curated OER
Estimation and Approximation
In this math instructional activity, students guess the answers and then calculate the real answer without using a calculator. There are 10 questions on this instructional activity.
Curated OER
Sunshine Math- 1
In this story problems worksheet, students solve 9 varied problems including making change, basic operations, reasoning, estimation and flowcharts.
Curated OER
Sunshine Math- 1 Venus, XIV
In this problem solving instructional activity, students complete 7 varied math word problems. They include money, reasoning, estimation, skip counting and problem solving.
Curated OER
Math Review for Grade 4 (4.1)
In this math review for grade 4 (4.1) worksheet, 4th graders answer 25 multiple choice problems in standardized test format about all areas of 4th grade math.
Curated OER
Estimation
Students estimate the cost of individual items found on a typical grocery list. They participte in a teacher-led demonstration, solve word problems, and estimate the cost of ten items placed into their group's grocery basket.
Curated OER
Rice Math
Sixth graders calculate the amount of rice there will be if the amount is doubled everyday. In this multiplying lesson plan, 6th graders are given an amount of rice that is grown each day. Students then calculate how much rice there will...
Curated OER
The Big Apple: Beginning Estimation and Math Skills, Working With Data
For this basic mathematics worksheets, students answer a set of 9 questions based on an "apple." Students then write 2 paragraphs discussing conclusions they have drawn from their data.
Curated OER
Multiplying with Egg O
Third graders multiply whole numbers by one and two digit numbers using base ten blocks and Egg O multiplication game. students pass out egg cartons, counters, and a record sheet to each group.
Curated OER
Estimation
Students estimate quantity, length, and area. Students practice making comparison estimations of different items and estimate whether or not the amount is greater or less than a certain amount. Students practice making estimations.
Curated OER
Everyone's Playing Basketball
To foster number sense and build problem solving skills, pupils will work through a complex word problem. They will be asked to analyze the data given, solve the problem, then share their thinking process with the class. This activity...
Curated OER
Estimating Solutions
Finding approximate solutions to word problems allows users to assess the reasonableness of their answers. In a well-paced lesson, the class rounds numbers to estimate the solutions. They explain their thinking and determine if the...
Curated OER
The Great Egg Roll Online Project
Eighth graders decorate plastic eggs and measure how far they can roll them. They reinforce math skills involving estimation, measurement, and averaging. They record their results online and compare their results with those of students...
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...
101 Questions
Dollar Wall
Money doesn't grow on trees—it grows on walls. Using pictures of a Guggenheim art installation consisting of one-dollar bills glued to a wall, future mathematicians consider the monetary value of the bills used in the installation....
101 Questions
The Ticket Roll
This is your ticket to understanding estimation. Scholars estimate the number of tickets on a ticket roll. To perform the task, they use pictures and given dimensions of a ticket roll and of a single ticket and apply concepts of area and...
Pennsylvania Department of Education
Problem Solving with Fractions
Solve story problems using fractions or decimals. Then, determine the reasonableness of answers using estimation.The detailed instructional activity includes essential questions, vocabulary, a materials list, and links to related units.
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