Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 3
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently. 
Curated OER
Place Value
In this place value worksheet, 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 smallest...
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Mental Money
Students access prior knowledge to round numbers and add decimals. For this mental math lesson, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers based on coins...
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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.
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Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson, 2nd graders solve real life problems to understand estimation and money problems.
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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.
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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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Metric Meals
Sixth graders investigate metric measurements. For this metric measurement lesson, 6th graders explore mass, capacity, and length. Students examine graduated cylinders and balance scales to obtain measurements. Resources are provided.
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What a Square
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
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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...
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Science Fair Space
Students determine the most equitable way to share space and cost between three schools for a fictional science fair.  Given a diagram, a word problem, and a data set, students analyze and explain the best way for all schools to share...
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
Decimal Place Value Chart
In this decimal place value chart instructional activity, learners work independently to fill in the blanks on the chart so that the numbers equal out correctly and the missing words are stated correctly.
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Money Game
Fourth graders give change of one dollar.  In this decimal and fractions lesson, 4th graders receive fake coins and discuss what they could purchase with them.  Students go for a walk and spend one dollar and  get...
Scholastic
Scholastic: Study Jams! Math: Decimals and Percents: Rounding Decimals
Follow this step by step word problem to learn to round decimals. Then test yourself.
Math Drills
Math Drills: Decimals Worksheets
Download these worksheets to sharpen your skills working with decimals. Sheets focus on rounding decimals, expanded form, comparing decimals, converting decimals, adding, subtracting, multiplying, and dividing decimals, and order of...
McGraw Hill
Glencoe: Self Check Quizzes 1 Rounding Decimals
Use Glencoe's randomly generated self-checking quiz to test your knowledge of rounding decimals. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button...
CK-12 Foundation
Ck 12: Math Grade 4
Browse resources related to fourth-grade math standards. Click on a topic for interactive lessons, videos, and extra practice.
Khan Academy
Khan Academy: Estimating With Dividing Decimals
Student practice estimating with dividing decimals.
Khan Academy
Khan Academy: Estimating With Subtracting Decimals
Student practice over estimating with subtracting decimals.
Khan Academy
Khan Academy: Rounding Decimals Using a Number Line
In this exercise, students practice rounding decimals using a number line. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Rounding Decimals Challenge
In this exercise, students practice rounding decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Rounding Decimals
In this exercise, students practice rounding decimals. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Knowledge Share
Super Kids: Rounding Numbers Worksheet Creator
Create your own math facts worksheets for rounding numbers. Problems can positive and negative numbers and decimal values. The user inputs the maximum and minimum values of the numbers to be used, makes decisions about negatives and...
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
