Curated OER
Designing The Perfect Park
In this math worksheet, middle schoolers design a park using estimation for the measurements. They figure out all the fine details like playsets and walkways.
Curated OER
Averages and Percentages
In this averages and percents worksheet, students identify and define average as all numbers together divided by the total number of items added. Then they identify and define percent as the given number out of a total possible. Students...
Curated OER
Rallytable Angle Measuring
In this geometry worksheet, students measure various angles. First, they write what type of angle each one is, whether right, acute, or obtuse. Then students estimate the measurement and then write the actual measurement for each angle.
Curated OER
Find the Missing Products
In this multiplication worksheet, students solve 40 problems in which two and three digit numbers are multiplied by single digits. Students are encouraged to use estimation to do mental math. This page is intended as an online activity,...
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
Problem-Solving Decisions: Estimates or Exact Answers
In this problem solving worksheet, learners examine 2 math word problems taking care to decide whether they should estimate answers or find exact answers
Curated OER
Decision Time
In this estimating practice worksheet, students examine 3 groups of objects and estimate and check how many objects there are in each group. Students also respond to 1 short answer question.
Curated OER
Estimating
In this estimating worksheet, students study the models of 15 dots arranged in a triangle, circle and pentagon. In each of 3 problems, students ring the dotted shapes that show more than 15 and cross out the dots that show less.
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 Using Tens
In this estimate using tens worksheet, 2nd graders match three sets of toys with 3 jars by estimating using tens and reading the label on the jar.
Curated OER
Chapter 2 Word Search Puzzle
In this language arts instructional activity, learners read 5 words in a word bank. The words seem to be related to estimation and rounding in math. Students locate the words in a word search puzzle. The meaning of the title is unclear.
Curated OER
Pour It On!
In this comparing amounts learning exercise, students read the word problem and decide if amounts should be used in liters or milliliters. Students complete 6 problems and complete 18 more liter and milliliter estimation problems.
Curated OER
Probability: dice
In this probability learning exercise, students complete an activity in which they then throw the die 50 times and record the number of even and odd outcomes. Prior to throwing their die, they make an estimation of how many even and odds...
Curated OER
Estimate the Proper Fractions
In this estimation worksheet, students estimate 7 given fractions to the nearest whole number. Answers are included on page 2.
Curated OER
Estimate and Check
In this estimation worksheet, students estimate numbers of items shown in pictures, then circle given groups of items, count and write totals.
Curated OER
Estimate to the Nearest Ten
For this estimation worksheet, learners estimate a set of 10 numbers to the nearest 10. A reference website for additional resources is given.
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.
Illustrative Mathematics
Calculating and Rounding Numbers
Mathematicians need to know that not all numbers are rational. We approximate irrational number with rational numbers. That is why a calculator may be misleading. This task give learners an opportunity to see how rounding a number and...
EngageNY
How Do 3D Printers Work?
If we stack up all the cross sections of a figure, does it create the figure? Pupils make the connection between the complete set of cross sections and the solid. They then view videos in order to see how 3D printers use Cavalerie's...
EngageNY
Bacteria and Exponential Growth
It's scary how fast bacteria can grow — exponentially. Class members solve exponential equations, including those modeling bacteria and population growth. Lesson emphasizes numerical approaches rather than graphical or algebraic.
Willow Tree
Perimeter of Common Geometric Figures
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
Willow Tree
Approximating a Line of Best Fit
You may be able to see patterns visually, but mathematics quantifies them. Here learners find correlation in scatterplots and write equations to represent that relationship. They fit a line to the data, find two points on the line, and...
California Education Partners
Animals of Rhomaar
Investigate the growth rates of alien animals. Pupils study fictional animals from another planet to determine how much they grow per year. The investigators plot the growth of their animals over a period of time and then compare...
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