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Curated OER
Graphing Family Reading Habits
Second graders collect data from their families about their reading habits and graph them. In this graphing family reading habits lesson plan, 2nd graders interview family members about their reading habits. They then use a graphing...
Curated OER
Ecosystems
Students create plots of land in three different ecosystems and use AppleWorks to collect data for research. This lesson includes a downloadable worksheet and can be accomplished in four days.
Curated OER
How Many in a Minute
Students estimate what they can accomplish in a minute. In this estimation instructional activity, students guess how many jumping jacks or stars they can draw in a minute. They get timed and see how close they are to their...
Curated OER
How Much Is On The Floor?
Students estimate the number of items in a group. In this estimation instructional activity, students are presented with random objects to clean up. Students estimate how many items are present and then compare the actual number of items...
Curated OER
Applied Science-Science and Math (2A) Post Lab
Second graders create a graph about TV watching. In this bar graph lesson, 2nd graders make a hypothesis about how much TV 2nd graders watch per week. They record their TV watching for a week and bring it to school to create a class...
Curated OER
Words, Words, Words
Second graders choose estimation strategies in real-world problem situations and explain the choice. They work in groups of five using three different estimation methods to find out how many words are on a page of text.
Curated OER
Easy Estimation
Pupils use estimation as a math strategy. Students estimate the number of small snacks that are presented to them. Pupils count the snack items after they have estimated how many there are, before the class snack on a daily basis.
Curated OER
Squirrel Challenge
Learners utilize The Nature Park Adventure educational software program to Introduce Modelling, Including the Estimation of Angles.
Curated OER
Thank You... Thomas Edison!
Students investigate the life of Thomas Edison. They research how he made a difference. They understand that accurate data collection is important for math. They create a chart using spreadsheet data.
Soft Schools
Soft Schools: Rounding Numbers Game
Students practice rounding numbers, and their score is kept at the top of the page. At the beginning of the game, you choose the minimum and maximum numbers. Round to the nearest ten, hundred, or thousand.
Math Is Fun
Math Is Fun: Rounding Numbers
What is rounding, and what does it mean to round up and round down? Learn how to round numbers via simple steps and examples.
Fact Monster
Fact Monster: Rounding Numbers
The lesson explores how to round numbers. Explanations and examples are included in the tutorial.
Topmarks Online
Topmarks: Rocket Rounding
A multiple choice game involving rounding numbers to ten, a hundred and to a whole number. There are two options, one with a number line and the other more difficult level, without one.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt Rounding to the Nearest Ten and Hundred
The purpose of this task is for students to practice rounding numbers to the nearest ten, connect the rules for rounding with location on the number line, and to introduce the idea of rounding to the nearest 100. Aligns with...
NumberNut
Number Nut: Rounding Numbers to the Nearest Ten Memory Challenge
Play this online memory game by flipping cards and selecting pairs that match by rounding one of the numbers to the nearest ten. Eliminate pairs and practice your rounding skills.
NumberNut
Number Nut: Rounding Numbers to the Nearest Ten
Practice your rounding skills through this online quiz. Round each number to the nearest ten, and select the correct answer of the three choices given. There are ten random questions. Immediate feedback is given.
Khan Academy
Khan Academy: Rounding Challenge
Give your brain a workout with these challenge problems on rounding. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints. CCSS.Math.Content.3.NBT.A.1 Use place value...
CK-12 Foundation
Ck 12: Elem Math: Rounding to the Nearest Whole Number
[Free Registration/Login may be required to access all resource tools.] The video describes the process of rounding a decimal to the nearest whole number and gives an example. The video is followed by a series of practice questions to...
Scholastic
Scholastic: Study Jams! Math: Problem Solving: Estimate Whole Numbers
This site provides great practice on the concept of estimating whole numbers. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice...
Scholastic
Scholastic: Study Jams! Math: Numbers: Estimate Whole Numbers
This site provides great practice on the concept of estimating and rounding whole numbers. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can...
Khan Academy
Khan Academy: Estimate to Add and Subtract Multi Digit Whole Numbers
Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
ClassFlow
Class Flow: Rounding Numbers
[Free Registration/Login Required] Using a number-line, students will round numbers to the nearest whole up to the nearest thousands. Activote assessment is included along with two practice opportunities.
AAA Math
Aaa Math: Rounding Numbers to the Nearest Ten
This site explains how to round whole numbers to the nearest ten. The information on the site gives exercise problems and games to practice this skill in a fun and helpful way.