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EngageNY
Estimating Probability Distributions Empirically 2
Develop probability distributions from simulations. Young mathematicians use simulations to collect data. They use the data to draw graphs of probability distributions for the random variable in question.
CK-12 Foundation
Interpretation of Circle Graphs: Northwest Region Population Pie
Given populations of the five Northwestern states, learners create a circle graph. Using the data and the pie chart, they make comparisons between the populations of the states. Finally, the pupils determine how the chart will change...
Flipped Math
Modeling with Quadratics
Do some interpretive modeling. Class members watch three examples of interpreting key features of a graph of a quadratic to find solutions to a real-world problem. Learners review how to find the key features on a graph using technology...
CK-12 Foundation
Area Sums: Estimation with Rectangles
The more rectangles, the better the estimate. Using the interactive, pupils explore estimating the area under a curve using left-hand sums. Learners respond to challenge questions on how to get better estimates using the same technique.
Pedago Net
Acing Math
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
EngageNY
The Difference Between Theoretical Probabilities and Estimated Probabilities
Flip a coin to determine whether the probability of heads is one-half. Pupils use simulated data to find the experimental probability of flipping a coin. Participants compare the long run relative frequency with the known theoretical...
Curated OER
Estimating Profit from a Job
Students create a budget. In this estimation and rounding lesson, students create a budget for a painting job. They must make sure that they come out with a profit.
Curated OER
Estimating Turtle Size and Age
Young scholars investigate how to estimate the age and size of turtles, and examine variability in scientific data. They read an informational handout, identify the parts of the shell, measure the shell and estimate the age, and record...
Curated OER
Number Sense
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences instructional activity, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Curated OER
How to Round Numbers
Students exercise rounding numbers to the nearest tens, hundreds, and thousands. In this rounding numbers lesson, students participate in a rounding numbers activity, covering the concept of rounding in both addition and subtraction.
Curated OER
Matching Rounded Numbers
In this matching rounded numbers worksheet, 4th graders cut out the cards on the page and match ten numbers to their rounded numbers.
Curated OER
Round to the Nearest Ten
In this rounding worksheet, students solve 6 story problems in which two digit numbers will be rounded to the nearest ten. There are no examples on this page.
Curated OER
Estimating Prices
Learners practice making reasonable estimates. In this consumer math, students round purchase prices of items to estimate the total cost. Learners practice using metal computations to arrive at estimates.
Curated OER
Estimation in Multiplication
In this math worksheet, students multiply single digit numbers by two and three digit numbers. Students estimate by rounding the largest number to its leading digit. Students complete two word problems that illustrate applications of...
Curated OER
Numerical Analysis/ Examples of Round Off Errors
In this math learning exercise, students practice computing the errors for rounding off and use the skill of analysis to find the true solutions.
Curated OER
Round Each Number to the Nearest Ten
In this problem solving activity, 2nd graders practice rounding off 15 2 and 3 digit whole numbers to the nearest ten. Students write their answers on the lines provided.
Curated OER
Rounding Practice
In this rounding worksheet, students round 3 sets of 10 numbers each to the nearest 100; numbers to be rounded are 2, 3 and 4 digit numbers. Answers are included on page 2.
Curated OER
Law of Cosines
In this cosine learning exercise, high schoolers will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be...
Curated OER
Round Whole Numbers
In this rounding whole numbers practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Estimating
In this addition worksheet, students estimate the value of the addition problems to the nearest 10. Students complete 8 estimation problems.
Curated OER
Estimate Sums
In this estimating sums worksheet, learners round numbers to the greatest place and then add them to solve 23 problems. Students also solve 2 test prep questions.
Curated OER
Estimate Sums: Reteach
In this estimating sums worksheet, learners review two steps to help them estimate to find sums. Students then round each addend to the nearest ten and use the number line for help. Learners estimate the sums and write the numbers on the...
Curated OER
Estimate Sums: Homework
In this estimating sums worksheet, students round each addend to the nearest ten using the number lines. Students then estimate the sum for each addition problem.
Curated OER
Basics of Estimation
In this estimation worksheet, students complete multiple choice questions about rounding and the proper sequence of estimation. Students complete 10 questions total.