Teacher Created Materials
Estimating Quotients
In this math worksheet, students learn to estimate a quotient to see if an answer is reasonable. They complete the long division to get an exact answer in 18 problems. Detailed directions are also given on how to check a division...
Illustrative Mathematics
Estimating Square Roots
No calculators! Assure your learners that they can find the square root of a large number. All they need are two known squares close by and a table. Come up with an additional practice and your number crunchers will have it mastered in...
EngageNY
Definition and Properties of Volume
Lead a discussion on the similarities between the properties of area and the properties of volume. Using upper and lower approximations, pupils arrive at the formula for the volume of a general cylinder.
Curated OER
Estimate Differences
In this estimation activity, students solve a total of 6 word problems that involve rounding to a given place value and estimating.
Curated OER
Measure Mania
For this measurement worksheet, 3rd graders, working with a partner, choose two different units out of five to measure the length of their classroom. Students estimate first and then measure.
Curated OER
At the Toy Store
In this writing math problems worksheet, 3rd graders write four math problems involving three toy store scenarios stated on the worksheet. Students determine if they are an estimate or an exact solution to the problems.
Curated OER
Clownin' Around
In this estimation worksheet, students read about a girl, Amy, who is purchasing items for a class play. Students determine whether Amy needs to find an exact answer or an estimate for the things she is buying. There are 6 questions on...
Curated OER
Statistical Diagrams
In this statistics worksheet, students explore five activities that require analysis and interpretation of maps, charts, and scatter plots. The six page lesson includes five activities or experiments with short answer...
Curated OER
Using Inequalities to Problem Solve
Students explore inequalities. In this Algebra I lesson, students solve and graph linear inequalities involving addition, subtraction, multiplication, or division. Students use inequalities to solve and graph real-world problems.
Curated OER
Dot's Dot
In this math estimation learning exercise, students estimate how many centimeters it is from each dot in a dot to dot puzzle. Students then use a ruler to measure exactly.
Curated OER
Estimated Quotients Are Too Large or Too Small
In this division worksheet, 5th graders use division to find batting averages in 6 word problems. They divide the number of hits by the number of times at bat to find the quotients.
Curated OER
Estimate or Exact?
In this estimating or exact answers worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Estimate and Measure
In this number sense worksheet, students examine the 4 pictured items and estimate how long each of them is in centimeters. Students use rulers to check their work.
Curated OER
Estimating Practice
In this number sense worksheet, students examine the picture and estimate the number of ants in the picture.
Curated OER
Guessing Jar
In this guessing jar worksheet, 1st graders write down their guess for how many marbles are in the jar, then count and record the answer, and complete 3 sentences about the numbers.
Curated OER
Estimating Quotients
In this estimating quotients worksheet, 4th graders estimate the quotient in 12 math problems and write the numbers they used on the lines provided.
National Council of Teachers of Mathematics
Improving Archimedes' Method
For this Archmides' method instructional activity, high schoolers determine the area of a regular n-gon inscribed in a circle. They use sine and cosine functions to solve problems. This three-page instructional activity...
Curated OER
Add Whole Numbers
In this addition instructional activity, students solve 6 problems in which larger numbers will be added with carrying. These are story problems. Students write the number sentence needed and solve.
Teach Engineering
Cost Comparisons
Our final proposal for the cost of the bridge requested is ... In the last segment in a series of 10, pairs work together to develop a proposal for a city bridge design. The class completes a cost comparison between concrete and steel to...
Louisiana Department of Education
Fractions, Decimals, and Percents
Fractions, decimals, and percents all say the same thing! Show your classes how to convert between the three forms using visual and numeric representations. Then lead them to an understanding of scientific notation.
Curated OER
Spill the Beans
In this number sense worksheet, 1st graders work with a partner to practice skills of estimation. Students use a cup and beans to estimate the amount of beans that come out of the cup before completing an accurate count each turn.
Curated OER
Estimating to Check Results- Reteaching Worksheet
In this estimating to check results reteaching worksheet, 1st graders examine how to use estimation to check their addition. They apply the steps to solve and check 2 word problems.
Curated OER
Exponential Functions
In this algebra worksheet, students evaluate exponential functions using tables and graphs. There are 6 questions with an answer key.
Curated OER
Problem-Solving Skill: Is an Estimate Enough?
In this problem-solving skills instructional activity, students learn how to determine whether or not an estimate is enough when solving a problem. They then use this skill to solve the 2 questions at the bottom of the page.