Interactive
Curated OER

Estimating and Rounding

For Students 6th - 7th
In this estimation and rounding worksheet, learners solve ten multiplication problems by using estimation and rounding skills. This is an interactive worksheet.
Worksheet
Curated OER

Decimals and Place Value

For Students 5th - 6th
Students can practice sorting and rounding decimals in this review activity, which features several examples of each skill as well as twenty-two practice exercises. This worksheet will also work well in an electronic format, as each...
Lesson Plan
Curated OER

What a Square

For Teachers 3rd - 8th
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.
Lesson Plan
Curated OER

Money Game

For Teachers 4th
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...
Lesson Plan
1
1
Laboratory for Atmospheric and Space Physics

Where Are We Going?

For Teachers 2nd - 6th Standards
Come take a ride on the space bus! Scholars go on an imaginary trip to pick up their peers from the inner and outer planets while reinforcing math skills. First, learners round decimals to identify each planets' distance from Earth....
Assessment
Noyce Foundation

Mixing Paints

For Teachers 6th - 7th Standards
Let's paint the town equal parts yellow and violet, or simply brown. Pupils calculate the amount of blue and red paint needed to make six quarts of brown paint. Individuals then explain how they determined the percentage of the brown...
Assessment4:42
Mathed Up!

Using a Calculator

For Students 8th - 11th
Here's a video that presents several numerical expressions to be evaluated using a calculator.Viewers come to realize that sometimes it is not just a matter of punching in the numbers, but they also need to be concerned about how...
Worksheet
Curated OER

Place Value

For Students 7th - 8th
For this place value worksheet, learners 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...
Activity
Teach Engineering

About Accuracy and Approximation

For Teachers 5th - 7th Standards
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...
Lesson Plan
Curated OER

Mental Money

For Teachers 3rd - 4th
Students access prior knowledge to round numbers and add decimals. In this mental math lesson plan, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers based on coins...
Lesson Plan
Curated OER

Solving Problems

For Teachers 2nd
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.
Lesson Plan
Curated OER

Why Guess When You Can Estimate

For Teachers 3rd - 6th
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.
Lesson Plan
Curated OER

Making Change

For Teachers 2nd
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.
Lesson Plan
Curated OER

Measurement Scavenger Hunt

For Teachers 5th - 7th
Young scholars review estimation, measurement, fractions, decimals while familiarizing themselves with a new classroom at the beginning of the year.
Lesson Plan
Curated OER

2002 State Flower Show

For Teachers 2nd - 3rd
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...
Lesson Plan
Curated OER

Science Fair Space

For Teachers 6th - 9th
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...
Unknown Type
Khan Academy

Khan Academy: Estimating With Multiplying Decimals

For Students 4th - 6th Standards
Estimating with multiplying decimals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unknown Type
Khan Academy

Khan Academy: Estimating With Dividing Decimals

For Students 4th - 6th Standards
Student practice estimating with dividing decimals.
Unknown Type
Khan Academy

Khan Academy: Estimating With Subtracting Decimals

For Students 4th - 6th Standards
Student practice over estimating with subtracting decimals.
Unknown Type
Math Drills

Math Drills: Decimals Worksheets

For Students 9th - 10th
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...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Rounding Decimals to Specific Units in Word Problems

For Students 4th - 5th
[Free Registration/Login may be required to access all resource tools.] In this learning module, students practice rounding decimals to the stated place value position. Includes video demonstrating a sample problem and a set of practice...
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Rounding the Same Decimal to Different Decimal Places

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions where students are presented with a decimal number and must round it to three different decimal place value positions. [2:14]
Unit Plan
Khan Academy

Khan Academy: Estimating With Adding Decimals

For Students 4th - 6th Standards
For example, estimate 12.93 + 6.1 to be 19. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Rounding to Nearest 3 Decimal Places or Thousandths Place

For Students 4th - 5th Standards
[Free Registration/Login may be required to access all resource tools.] A video and practice questions on how to round numbers to the nearest thousandths decimal place. [1:24]