Illustrative Mathematics
Rounding to 50 or 500
In a six-problem learning activity, children are guided to solve word problems that involve rounding to the nearest ten and nearest hundred. A commentary and answer key provide different approaches that learners may take in solving the...
Curated OER
Estimating Solutions to Word Problems
Learners use estimation to determine the answers to word problems by rounding whole numbers. In this estimation lesson plan, pupils compare and contrast solutions using the best answer.
Los Angeles County Office of Education
Assessment For The California Mathematics Standards Grade 4
Have scholars show what they know with a 20-page assessment aligned to the California State Standards. The test covers concepts such as large and whole numbers, all four mathematical operations, fractions, decimals, geometric figures,...
Curated OER
Rounding Numbers
In this rounding numbers worksheet, students, with a partner, problem solve and calculate the answers to eighteen mathematical exercises.
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
Rounding To The Nearest Ten And Hundred
In this rounding to the nearest ten and hundred worksheet, learners, with a partner, calculate the answers to nine word problems or mathematical equations dealing with estimation.
Curated OER
Rounding Numbers
Fifth graders demonstrate rounding numbers to a sensible level of accuracy and in context. They discuss rounding numbers for newspaper headlines, complete a table of grocery items that need to be rounded, and observe and demonstrate...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 5
Test young mathematicians' knowledge with an assessment aligned to California's fifth grade state standards. The exam covers a multitude of concepts including fractions and decimals, positive and negative numbers, measurement; and how to...
National Wildlife Federation
I’ve Got the POWER Wind Energy Potential at Your School
The 20th lesson in a 21-part series connects the wind data and expectations of a turbine to whether such devices should be built in your area. Scholars begin with estimating the wind potential at school by using long-term climate data...
Curated OER
Estimating Solutions to Word Problems
Fourth graders explore number sense by completing word problems in class. In this estimation lesson, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on the concept of...
K12 Reader
Estimation
Teach your class a thing or two about making educated mathematical guesses. Learners read a passage that explains estimation and approximate and exact answers. They then respond to five questions about and related to the text.
Illustrative Mathematics
How Many Cells Are in the Human Body?
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some context to all...
Curated OER
Number and Operations- Using Gift Certificates
Students apply number and operation skills to learn how to spend a gift certificate. In this mathematical reasoning lesson, students use base 10 blocks as money and calculate how much money they have.
Curated OER
BIG Pumpkins!
How big is the biggest pumpkin you've ever seen? Did it weigh over a ton—literally? Young learners view pictures of some record-breaking pumpkins, including some that weighed over 1,300 pounds, before answering five word problems about...
Curated OER
Measures Combined
Use this resource to teach perimeter of regular plane shapes, measurement, rounding, and systematic problem solving skills. There are 78 complete slides and two game suggestions intended to facilitate content understanding.
Curated OER
Bouncing off the Wall
Students watch a video clips before problem solving the use of angles in real world situations. They problem solve using spatial reasoning while connecting math to a sports activity that investigates the path of a bouncing ball.
Illustrative Mathematics
High School Graduation
An exercise in finding the approximate time that a name would be called at a graduation. Estimating time may be difficult for some of the class, so this resource would not be a good choice for learning this standard. It does end with a...
Curated OER
High School Mathematics Problems from Alaska: Cigarette Smoking
Students analyze the monetary cost associated with smoking. Students use statistics to determine life expectancy and cost associated with smoking.
Curated OER
Coordinate Grid: Mapping an Archaeological Site
Students examine how archaeologists preserve context of sites through use of rectangular grid or Cartesian coordinate system, and develop sense of distance by pacing off and estimating distances.
Curated OER
Adding Two- and Three-Digit Numbers
In this adding two- and three-digit numbers worksheet, students, with a partner, problem solve and calculate the answers to eight mathematical word problems and equations.
Curated OER
Decimals: Worksheet 2
For this decimal worksheet, students solve a total of 31 decimal problems including: writing decimals, determining the smaller of 3 decimals, determining place value, rounding, filling in missing numbers and word problems.
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...
Noyce Foundation
Mixing Paints
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...
Illustrative Mathematics
Calculations with Sine and Cosine
Practice makes perfect and perfecting those trigonometric functions are vital in trigonometry. The task requires evaluating cosine and sine values at common degree measures before looking at the results. Is there a pattern when the...