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Interactive
Quia

Quia: Hangman Rounding

For Students 2nd - 4th Standards
Don't get "hung up" when you play this old game with a new twist. Simply, round each numbers to the nearest thousand then, find the sum or difference. Knowledge of place value units, where to put the comma, and good computation skills...
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Unit Plan
Scholastic

Scholastic: Study Jams! Math: Numbers: Estimate Whole Numbers

For Students 2nd - 5th Standards
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...
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Interactive
Mr. Martini's Classroom

Mr. Martini's Classroom: Skip Counting by Threes

For Students Pre-K - 1st Standards
Practice skip counting by threes with this interactive exercise.
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Activity
Math Cats

Math Cats: Can You Say Really Big Numbers?

For Students Pre-K - 1st Standards
Practice reading and writing out the number words for large numbers.
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Interactive
Mangahigh

Mangahigh: Number: Counting Up to 100

For Students 2nd - 4th Standards
Idenitfy the written epxression to the numeral up to 100.
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Interactive
Mangahigh

Mangahigh: Number: Counting Up to 1000

For Students 2nd - 4th Standards
Test your knowledge of counting, reading, and identifying numbers up to 1000.
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Activity
Other

Mathsframe: Sequences

For Students Pre-K - 1st Standards
Students can solve number sequences and skip count with positive and negative whole numbers and decimals.
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Unknown Type
Khan Academy

Khan Academy: Missing Numbers

For Students K - 1st Standards
Students are given questions and they are asked to replace what number is missing
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Interactive
Arcademics

Arcademics: Jumping Chicks

For Students 1st - 3rd Standards
When given a number, select the bunch of leaves that contain that number to advance your chick to the end.
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Unit Plan
Khan Academy

Khan Academy: Hundreds, Tens, and Ones

For Students 1st - 3rd Standards
Practice thinking about place value of 3-digit numbers as hundreds, tens, and ones. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
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Unit Plan
Khan Academy

Khan Academy: Adding Two Digit Numbers by Making Tens

For Students 1st - 3rd Standards
In this exercise, students practice adding two-digit numbers by making tens. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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Unit Plan
Khan Academy

Khan Academy: Multiply by Tens

For Students 2nd - 4th Standards
Multiply a 1-digit number by a multiple of 10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive multiplication hints. CCSS.Math.Content.3.NBT.A.3 Multiply...
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Unit Plan
Khan Academy

Khan Academy: Write Numbers in Different Forms

For Students 1st - 3rd Standards
Practice breaking numbers into hundreds, tens, and ones. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
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Unit Plan
Khan Academy

Khan Academy: Compare 3 Digit Numbers

For Students 1st - 3rd Standards
Practice more challenging problems comparing numbers within 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
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Unknown Type
Khan Academy

Khan Academy: Add 2 Digit Numbers by Making Tens

For Students 2nd Standards
Students will be challenged in their skills to add 2-digit numbers by making tens
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Unit Plan
Khan Academy

Khan Academy: Add 2 and 3 Digit Numbers (No Regrouping)

For Students 1st - 3rd Standards
Practice solving problems like 243 + 452. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Representing Numbers in Expanded Form I

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The interactive PLIX tool allows students to drag and drop base blocks (1, 10, 100) to find the total area of an irregular figure. The video shows an example of a...
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Interactive
ICT Games

Ict Games: Shark Numbers

For Students Pre-K - 1st Standards
Shark Numbers is a mobile-friendly place value game. The learning objective of this game is to know what each digit in a 3-digit number represents, (for ages 5-8).
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Unit Plan
Khan Academy

Khan Academy: Estimate to Add and Subtract Multi Digit Whole Numbers

For Students 1st - 3rd Standards
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...
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Unit Plan
BBC

Bbc: Skillswise: Number Symbols

For Students 1st - 8th Standards
This Skillswise site focuses on number symbols. Included are a video which explains how some numbers are used for amounts, fact sheets and worksheets for instruction, quizzes on the information presented, and games to practice the skill....
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Turning Numbers Into Words Place Values to 1000

For Students 2nd - 4th Standards
[Free Registration/Login may be required to access all resource tools.] The video describes how to change a number into the corresponding words, with a number in the thousands including a review of place value. The video is followed by...
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Activity
Other

Saskatoon Public Schools: Numbers

For Students Pre-K - 1st Standards
There are a variety of activities here for Grades 1-3 students to explore counting and number concepts.
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Lesson Plan
Better Lesson

Better Lesson: Larger Distances

For Teachers 2nd Standards
Using the size of the planets, 2nd graders are able to work with numbers to 1,000. This instructional activity introduces larger numbers (even beyond 1,000) to extend student understanding of the patterns in numbers.
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Lesson Plan
Better Lesson

Better Lesson: What Is a Digit

For Teachers 2nd Standards
A lesson for students extend their understanding of the place value system. Students will learn how to define a digit and also identify a digit located in the ones place, the tens place, and the 100s place.