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...
Berkshire Museum
Adopt a Schoolyard Tree
Help young scientists connect with nature and learn about trees with a fun life science lesson. Heading out into the school yard, children choose a tree to adopt, taking measurements, writing descriptions, and drawing sketches of it in...
Curated OER
Round to the Nearest Whole $
In this rounding money worksheet, students identify the money amounts in each examples and round to the nearest dollar for the 10 examples.
Curated OER
Round Each Number to the Nearest Ten
In this rounding instructional activity, students practice rounding numbers to the nearest ten. There are 8 numbers that students round. The answers are included at the bottom half of the page.
Curated OER
Partial Products
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.
Curated OER
Introduction to Estimation and Making Arrays
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.
Curated OER
How Much Do We Save?
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.
Curated OER
Liquid Measurement
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...
Curated OER
Enough for Everybody: Division
Students study division. In this math lesson, students arrange manipulatives into equal groups. Students discuss the relationship between multiplication and division.
Curated OER
Estimate the Sum
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.
Curated OER
Estimate the Sum
In this rounding to find the sums instructional activity, students round to the nearest thousandths and add. Students solve nine problems.
Curated OER
Estimate Division
For this estimate division worksheet, students estimate by rounding each number in a division problem to the nearest ten. Answers are included on page 2.
Curated OER
Wrapped Up In A Kiss!
Learners use the wrapper of a Hershey's Kiss to practice estimating, predicting and measuring. They measure with centimeter rulers.
Curated OER
Estimation
Students complete computer activities about estimating if items are more or less than a given amount. In this estimation lesson plan, students also estimate measurements around the classroom.
Curated OER
Estimate Quotients and Check Division With Multiplication
Students explore how to estimate quotients and check their division with multiplication. They practice rounding the divisor and the dividend. Students compare the estimate to the exact answer and determine if it is reasonable.
Curated OER
Wheat Kernels Bar Graph
Third graders create a bar graph to record how many kernels were in a wheat stalk. They write in math journals two questions from interpreting the graph. They solve math problems from other students.
Curated OER
Multiplication Strategies and Writing Story Problems
Third graders model multiplication problems using Unifix cubes. They compute and solve problems involving addition and subtraction of 3- and 4- digit numbers and basic facts of multiplication and division. They practice mental math...
Curated OER
My Test Book: Standard and Expanded Form
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding standard and expanded form. Students may view the correct answers.
Curated OER
Smarties Investigation
In this math worksheet, students participate in an investigation of Smarties candy. For example, students estimate how many candies they have in each color, count the actual number, and record the information in a tally chart.
Curated OER
Using Graphs and Charts
Students complete T charts and manipulate numbers using graphs and charts. In this math graphs and charts lesson plan, students review the concepts of pattern and function. Students then complete practice pages where they manipulate...
Curated OER
Money and Change
In this money and change worksheet, young scholars read about multiplying with money, then solve 4 problems, estimating first. Students then study 3 charts and write number sentences.
Math Mammoth
Measuring Length: Metric
In this mathematics worksheet, 3rd graders draw lines for each measurement. Then they measure the lines to the nearest centimeter. Students also use a ruler, a measuring tape, and measure small items and longer items.
Curated OER
Pumpkin Problems
Learners participate in a lesson that has the intention of working on estimation skills. They use pumpkins to estimate the number of seeds are inside. They collect data for each pumpkin and compare it to the estimation. Students question...
Curated OER
E3 Practice Assessment - Pets
In this assessment worksheet, 3rd graders complete eight pages of math assessment. Students solve problems related to money and a bar graph. Students solve word problems involving rounding and computation.
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