Curated OER
Hearbeat
Third graders pair up and listen to each others heartbeat. They run in place for one minute and then listen again and calculate the beats per minute resting and after activity. They switch and repeat the activity.
Curated OER
Basic Crypto Systems
Students try to solve codes mathematically. The use of a code needs a key. Students try to decipher a code with a mathematical key. This requires focus and higher order thinking skills like analysis.
Curated OER
Real Life Problems-- Addition and Subtraction Word Problems
In this math worksheet, students use basic addition and subtraction to solve 20 real life word problems. Some strategies are given on the page. This is from the UK; money is in pounds and pence.
Curated OER
Addition And Subtraction Of Whole Numbers
In this addition and subtraction of whole numbers worksheet, students problem solve and calculate the answers to thirty mathematical equations.
Curated OER
Basic Subtraction Facts: Missing Blanks
In this math worksheet, students solve 20 subtraction problems in which there is a missing number in each. Students use the number line to fill in the missing number in each problem.
![K 5 Math Teaching Resources: Add and Subtract Ten on a Number Line [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "K 5 Math Teaching Resources: Add and Subtract Ten on a Number Line [Pdf] Activity")
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Add and Subtract Ten on a Number Line [Pdf]
Students will roll a die and follow the directions to explore adding and subtracting on a number line.
Khan Academy
Khan Academy: Add and Subtract Fractions: Word Problems 1
Practice solving word problems by adding and subtracting fractions with like denominators. Gaby ate 2 slices of pie and Daniel ate 2. If there were 10 slices of pie all together, what fraction did they eat? Students receive immediate...
Khan Academy
Khan Academy: Add 1 or 10
Practice solving problems like 34+1 and 34+10. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
ABCya
Ab Cya: Molly Adds & Subtracts From 10
This educational activity provides word problems with manipulatives for kids to practice adding and subtracting within 10. The word problems are read aloud and have objects that can be used for counting. Children may need assistance from...
Khan Academy
Khan Academy: Addition Using Groups of 10 and 100
In this exercise, students practice addition using groups of 10 and 100. Students receive immediate feedback and have the opportunity to get hints, watch a video tutorial, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2...
Mangahigh
Mangahigh: Number: Add and Subtract Fractions
This site provides students practice with the concept of adding and subtracting fractions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Number: Add and Subtract Decimals
This site provides students practice with the concept of adding and subtracting decimals. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Algebra: Add and Subtract Algebraic Fractions Using Factoring
Students learn about the concept of adding algebraic fractions by exploring a tutorial. They can then test their knowledge by taking a ten question assessment that increases in difficulty as they correctly answer questions.
Mangahigh
Mangahigh: Algebra: Add and Subtract Algebraic Fractions
This site provides students practice with the concept of algebraic fractions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Other
Nearpod: Adding and Subtracting Within 10
In the activity on adding and subtracting within 10, students will use ten frames to add and subtract. They will also review key vocabulary terms, like sum, difference, and equal sign.
Mangahigh
Mangahigh: Algebra: Add and Subtract Terms With Single Variables
This site provides students practice with the concept of simplifying expressions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Mangahigh
Mangahigh: Algebra: Add and Subtract Terms With Multiple Variables
This site provides students practice with the concept of simplifying expressions. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
Khan Academy
Khan Academy: Subtract 1 or 10
Practice subtracting 1 or 10 from a 2-digit number (no regrouping). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtraction Word Problems Within 10
Practice solving word problems by subtracting small numbers (numbers 10 or less). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Better Lesson
Better Lesson: Subtracting With Partners of 100
When subtracting ten from a 2 digit number, 2nd graders should be able to compute the answer as fluently and comfortably as do when they add ten to a 2 digit number.
Khan Academy
Khan Academy: Add Using Groups of 10 and 100
Practice making groups of 10 and 100 while adding 3-digit numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Subtract 10s and 100s (No Regrouping)
Practice subtracting 1, 10, or 100 from a number. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Adding 53+17 by Making a Group of 10
Sal adds 53+17 by breaking apart the numbers and making a group of 10. [3:35]
Khan Academy
Khan Academy: Addition Word Problems Within 10
Practice solving word problems by adding small numbers (numbers 10 or less). Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.