Interactive
CK-12 Foundation

Add and Subtract Decimals with Front-End Estimation: Wooden Beams

For Students 6th - 8th Standards
A six-question interactive tasks mathematicians to solve addition and subtraction problems using front-end estimation. Question types consist of multiple-choice and true or false. A set of wooden beams that can be measured using moveable...
Lesson Plan
Curated OER

Study Buddies: Using Front-End Estimation

For Teachers 4th - 5th
In this math worksheet, students will work with a coach to estimate equations using front-end estimation. Students will follow a step-by-step process and notes are provided for the coach.
Interactive
Scholastic

Study Jams! Estimate Sums & Differences of Whole Numbers

For Students 4th - 6th Standards
Estimating is an essential skill used in everyday life. This presentation explains how to apply prior knowledge about rounding numbers to estimating sums and differences. Example problems and assessment include large numbers, making this...
Lesson Plan
Curated OER

Let's Go Shopping: Estimation At The Mall

For Teachers Higher Ed
Students estimate the total cost of a shopping trip. In this estimation instructional activity, students use three different techniques to estimate how much a shopping trip will cost.
Lesson Plan
Curated OER

A Method of Front-End Arithmetic

For Teachers 6th
Teach the class how to add using front-end addition. They are given a shopping list and use it to practice adding from the largest place value to the smallest. Computational math and shopping, what fun!
Lesson Plan
Curated OER

Reasonable Estimates

For Teachers 3rd - 4th
Help pupils explore estimation. They will make estimates and discuss when you might use an estimate. Then they discuss if their estimates are reasonable.
Lesson Plan
Curated OER

Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Worksheet
Curated OER

Rounding and Estimation

For Students 3rd - 5th
In this rounding and estimating activity, students learn how to round numbers up and down. They also read about using estimations to quickly calculate answers to difficult math problems. Students then solve the 12 rounding questions in...
Printables
1
1
Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 5)

For Students 5th Standards
Twenty-eight flashcards make up a set designed to reinforce math vocabulary. Two styles of cards showcase either a bold-faced word or a corresponding definition card equipped with an example and labels. Terms include commutative property...
Printables
1
1
Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 4)

For Students 4th
The 28-page resource contains cards with terms relating to multiplication from inverse operations to front-end estimation to array. Each sheet contains two cards; one with the word and one with the definition.
Printables
Houghton Mifflin Harcourt

Unit 2 Math Vocabulary Cards (Grade 3)

For Teachers 3rd
A set of third grade math vocabulary cards include topics that range from addition properties to terms like estimate and fact family. Each sheet has two cards on it. The top half is the word printed in bold text,...
Lesson Plan
Curated OER

Study Buddies: Adding Decimals

For Teachers 2nd - 3rd
In this math worksheet, students will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
Lesson Plan
Curated OER

Building a Telescope

For Teachers 9th - 12th
High schoolers construct a simple refracting telescope. They calculate the magnification.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Addition Using Front End Estimation

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Use front-end estimation to estimate decimal sums
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Decimal Subtraction Using Front End Estimation

For Students 7th
[Free Registration/Login may be required to access all resource tools.] Estimate decimal differences using front-end estimation
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Front End Estimation Grade 8

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Use front-end estimation to find decimal sums and differences.
Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Front End Estimation Grade 6

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences of decimals using front-end estimation.
Unit Plan
AAA Math

Aaa Math: Front End Estimation of Sums

For Students 3rd - 5th
Students can practice estimating sums using front-end estimation in a series of self-check exercises and timed learning games.
Unit Plan
AAA Math

Aaa Math: Front End Estimation of Sums

For Students 3rd - 7th
Students use front-end estimation to solve addition problems. Learning exercises and games are provided to practice the skill.
Unit Plan
AAA Math

Aaa Math: Front End Estimation: Differences

For Students 4th - 7th Standards
Students use front-end estimation to solve subtraction problems. Learning exercises and games are provided to practice the skill.
Activity
AAA Math

Aaa Math: Front End Estimation

For Students 3rd - 5th Standards
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
Unit Plan
AAA Math

Aaa Math: Estimation

For Students 4th - 6th
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...
Whiteboard
ClassFlow

Class Flow: Estimation

For Teachers 4th - 6th Standards
[Free Registration/Login Required] After this lesson, students will be able to solve problems using a variety of mental math strategies.

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