Learners solve problems by rounding two to five-digit numbers to the nearest greatest place number. They complete 12 problems.

Students use information they know to decorate a room at a reasonable cost by comparing the cost of companies for a decorating job. In this cost lesson plan, students take into consideration the area and perimeter of the room.

How tall can your tower get? Implement shapes, building strategies, teamwork, and prediction in this interactive tower activity. Learners discuss past experiences with stacking materials, recalling ways they kept it from falling over....

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...

Reinforce measurement skills with a holiday-themed worksheet that challenges mathematicians to estimate and measure the length, width, and height of classroom objects using a gingerbread man. 

Do you know how old you are in seconds, minutes, days, weeks, or months? This intriguing question is presented as a way for learners to estimate in units of time. They'll build a better sense of what each increment of time is as they...

Students investigate concepts relating the use of the metric system of measurement. They practice the skill of estimating units and especially which ones to use in certain problems for the most reasonable answer. The lesson includes...

Students predict how many steps they think it will take them to get from the front of the room to the back. They record predictions on paper and then into database and then actually test by walking foot to foot to their destination...

Learners explore linear measurement. They choose appropriate measuring tools, measure three classroom items, and record their results.  A class discussion ensues in which everyone decides the best way to present their data.

Here is a decimals worksheet in which learners complete a quiz asking about least to greatest, standard form, sums, and more having to do with decimals. They complete eight problems.

Would you measure the height of a living room in centimeters? Scholars examine which units would be most efficient for this project: centimeters or meters. There is only one question here with a detailed explanation below. This would be...

Fe, phi, fo, fum. This activity leads pairs to find the ratio of consecutive terms of the Fibonacci sequence. The pairs find that the Fibonacci sequence can be found in many places. A discussion with the class shows that the ratios...

How much does a seagull weigh? Kids estimate weight by choosing the closest option out of three, using ounces, pounds, and tons. 

Luckily, he hit the air bag. Scholars watch a video from the Guinness World Records that shows a stuntman falling from 342 feet. The task at hand is to determine his velocity when he hits the air bag. Thank goodness for the cushion!

Young scholars collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.

First graders distinguish between an over-estimate and an under-estimate. They estimate the number of beans that can be held in a hand, organize data and actual findings.

Students examine a pumpkin and make several estimations based on the number of lines around it, its circumference and the number of seeds it has.

Students compare estimated lengths with actual lengths.

Pupils estimate how many peas fit in a container. In this science lesson, students calculate the weight of a pea and record it. They use this data to calculate how many peas fit in a human brain.

  Learners observe a leaf and discuss the way that water is released from a leaf through its stomata.  For this water cycle lesson, students calculate how much water leaves produce from a whole tree.     

Learners use their problem-solving skills to answer math problems. They determine the cost of feeding sled dogs. They share their answers with the class.

Students listen to the reading of "The Button Box" and use buttons provided to tell a story about a chosen button, compare their own buttons to those in the reading. They estimate how many buttons are in a bag and sort buttons based on...

In this fraction estimation instructional activity, students estimate seven improper fractions to the nearest whole number. There is an answer sheet included.

In this math worksheet, young scholars 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...