Lesson Plan
Curated OER

Estimating Area

For Teachers 5th
Fifth graders, after being given a variety of word problems to solve, find patterns to solving 3 out of 4 times. They break it down into smaller parts 3 out of 4 times and tell the method of solving 3 out of 4 times. Students complete...
Worksheet
Curated OER

Estimating

For Students 2nd
In this number estimation learning exercise, 2nd graders use the illustrated creatures in each box to estimate the total number of items to the nearest ten.
Worksheet
Curated OER

Whole Numbers: Rounding

For Students 4th - 5th
In this whole numbers worksheet, students round 6 numbers to the nearest: thousand, hundred and ten. All numbers go to the thousands place.
Lesson Plan
Curated OER

What is the connection between rice and estimation?

For Teachers 6th
Sixth graders investigate estimating. In this estimating lesson plan, 6th graders estimate how much rice is eaten around the world. Students estimate the percentages of rice eaten by other countries. Students compare rice production...
Worksheet
Curated OER

Matching Rounded Numbers

For Students 4th
In this matching rounded numbers learning exercise, 4th graders cut out the cards on the page and match ten numbers to their rounded numbers.
Worksheet
Curated OER

Round to the Nearest Thousand

For Students 2nd - 3rd
In this rounding worksheet, students examine 9 different numbers, write the 2 numbers each number falls between and then round each number to the nearest thousand. Next, students solve 15 fill in the blank problems where they round...
Worksheet
Curated OER

Round to the Nearest Ten Thousand

For Students 4th - 6th
For this rounding worksheet, students round a set of 10 numbers to the nearest ten thousand, then answer 4 related rounding questions. Answers are included on page 2.
Worksheet
Curated OER

Estimate Division Worksheet

For Students 6th - 8th
In this estimating division practice worksheet, students solve 8 problems that require them to estimate the division by rounding the numbers in the problems to the nearest 10.
Lesson Plan
Curated OER

Partial Products

For Teachers 3rd
Third graders study partial-products algorithms. In this math lesson, 3rd graders use an algorithm to find the product of factors. Students discuss the relationships between multiplication and division.
Worksheet
T. Smith Publishing

Estimate Products of Mixed Numbers

For Students 4th - 6th Standards
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...
Lesson Plan
Curated OER

Introduction to Estimation and Making Arrays

For Teachers 2nd - 3rd
Students explore the concept of estimating and organizing a group of objects into an array to count the exact number of items. They create their own arrays and practice elements of estimation.
Worksheet
Curated OER

Place Value

For Students 4th - 5th
In this rounding and place value worksheet, students solve 50 problems in which the value of specified digits is worked out. Students round numbers to different places up to the hundred thousands. This page is intended as an online...
Lesson Plan
Curated OER

Learning with Links

For Teachers K - 1st
Students explore the concept of counting, measuring, and estimating. In this counting, measuring, and estimating lesson, students use plastic links to count sets of links. Students measure their arms and legs using links.
Worksheet
Curated OER

Estimate Differences

For Students 4th - 5th
In this estimating differences worksheet, students estimate differences by rounding to the nearest hundred. Answers are included on page 2.
Lesson Plan
Curated OER

How Much Do We Save?

For Teachers K - 5th
Students use coupons to save. In this saving lesson students practice their addition, multiplication and estimating skills with dollars and cents. They investigate grocery coupons and look for ways to save money.
Lesson Plan
Curated OER

Covering and Surrounding

For Teachers 5th - 6th
Students develop techniques for estimating the area of a circle and use ideas about area and perimeter to solve practical problems. In this area and perimeter lesson, students apply the concepts of perimeter and area to the solution of...
Lesson Plan
Curated OER

Estimating Products

For Teachers 5th - 6th
In this math worksheet, learners round numbers to their leading digit. They multiply the results to find the estimation of the exact answer. Students estimate and then find the exact answer on six problems.
Lesson Plan
Curated OER

Mark-and-Recapture

For Teachers 6th - 12th
Pupils investigate the mark-and-recapture method for estimating the population of an animal species. They evaluate given data to answer a set of questions.
Lesson Plan
Curated OER

Liquid Measurement

For Teachers 3rd
Third graders investigate liquid measurements by estimating how many cups it takes to fill containers. The students predict the liquid measurements and then find the actual amount using the water in a bucket. Students then compare...
Lesson Plan
Curated OER

Introduction to Decimals

For Teachers 5th - 6th
In this math worksheet, students are introduced to decimals by first studying pattern blocks showing a number with tens, ones and tenths. Students locate decimals on number lines and rulers and shade decimal pictures. Students compare...
Lesson Plan
Curated OER

Enough for Everybody: Division

For Teachers 3rd - 5th
Students study division. In this math lesson, students arrange manipulatives into equal groups. Students discuss the relationship between multiplication and division.
Lesson Plan
Curated OER

Mind Your P's and C's!

For Teachers 2nd
Second graders estimate how much volume a container can hold. In this math lesson, 2nd graders compare their estimates with actual measurements. They share and discuss their results in class.
Lesson Plan
Curated OER

Coordinate Grid: Mapping an Archaeological Site

For Teachers 6th - 8th
Young scholars examine how archaeologists preserve context of sites through use of rectangular grid or Cartesian coordinate system, and develop sense of distance by pacing off and estimating distances.
Worksheet
Curated OER

Estimate the Sum

For Students 3rd - 4th
In this estimating instructional activity, students round numbers to the nearest ten and estimate sums in a total of 9 problems. Answers are included on page 2.

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