Curated OER
Subtraction
In this subtraction worksheet, students use a given number square to help answer a set of 10 questions. An answer key and website reference are given.
Curated OER
Subtraction Practice
In this subtraction worksheet, students use a grid to complete a set of 10 problems written in sentence form. A reference website for additional resources is given.
Curated OER
Marvelous Marbles
Young scholars predict the change in water volume when adding marbles to a graduated cylinder. In this Chemistry lesson plan, students will need to make accurate water measurements to determine the fluid displaced by the marbles. The...
Curated OER
Place Value Activity
In this place value instructional activity, students in pairs shuffle a set of place value cards and then lay them out face down on a table. Students then draw a card and place it under one of their place value cards.
Curated OER
Subtraction: Number Square
In this subtraction worksheet, students use the number square on the page to help them solve the ten 2-digit subtraction problems. The answers are on the second page.
Curated OER
Money Place Value Chart
In this money activity, students complete a chart showing the value of money and how the amount of money could be written in words. Five examples are given. Fifteen more numbers can be added. Money amounts are given in pounds.
Curated OER
Mobile Phone Packages
In this consumer math worksheet, students examine 3 mobile phone package deals with calls and text message charges. Students match the best plan to one of 3 people whose profiles are shown, detailing their typical use. All prices are in...
Curated OER
Assorted Problems (Word Problem Solving)
In this math worksheet, students solve 4 story problems. Some of the numbers are written in word form. Students use basic operations including averaging.
Curated OER
Plants Help Keep a House Cool!
Pupils experiment with tree shading and house colors to see how to reduce the temperature of a home.
Khan Academy
Khan Academy: Add and Subtract Within 100 Word Problems 1
Practice adding and subtracting to solve word problems. These questions are result unknown or change unknown problems. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try questions...
Khan Academy
Khan Academy: Challenging Add and Subtract Word Problems (Within 100)
Practice solving more challenging addition and subtraction word problems with "more" and "fewer". Multi-step problems are also included. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try...
Khan Academy
Khan Academy: Add and Subtract Within 100 Word Problems 2
Practice solving word problems with addition and subtraction. These questions are comparison problems including difference unknown, smaller value unknown, and bigger value unknown. Numbers used are 100 or less. Students receive immediate...
Khan Academy
Khan Academy: Add and Subtract Within 100 Word Problems 3
Practice solving word problems with addition and subtraction. These questions are start unknown problems including add to and take from problems. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity...
Khan Academy
Khan Academy: Add and Subtract Using a Number Line
Practice adding and subtracting numbers like 54 and 37 using a number line. Numbers used in these problems are all less than 100.
Khan Academy
Khan Academy: Add and Subtract Within 100 Word Problems 1
Practice adding and subtracting to solve word problems. These questions are result unknown or change unknown problems. Numbers used are 100 or less.
Khan Academy
Khan Academy: Add and Subtract Within 100 Word Problems 3
Practice solving word problems with addition and subtraction. These questions are start unknown problems including add to and take from problems. Numbers used are 100 or less.
Khan Academy
Khan Academy: Add and Subtract Within 100 Word Problems 2
Practice solving word problems with addition and subtraction. These questions are comparison problems including difference unknown, smaller value unknown, and bigger value unknown. Numbers used are 100 or less.
Khan Academy
Khan Academy: Add and Subtract on the Number Line Word Problems
Practice adding and subtracting using the number line. Numbers used are 100 or less.
Khan Academy
Khan Academy: Addition Within 100
In this exercise, students practice addition within 100. Students receive immediate feedback and have the opportunity to watch a tutorial video get hints, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...
Cool Math
Coolmath: Coolmath4kids: Adding Numbers Within 100
A step-by-step tutorial showing how to add 2-digit numbers in place value columns without regrouping. Includes exercises to try. CCSS.Math.Content.3.NBT.A.2 Fluently add and subtract within 1000
Khan Academy
Khan Academy: Subtraction Within 100
In this exercise, students practice subtraction within 100. Students receive immediate feedback and have the opportunity to watch a video tutorial, get hints, and try questions repeatedly. CCSS.Math.Content.3.NBT.A.2 Fluently add and...
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...
Khan Academy
Khan Academy: Find the Missing Number (Add and Subtract Within 100)
Practice solving problems like "___ - 45 = 27" where you have to figure out the missing value in an addition or subtraction equation. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video...
![K 5 Math Teaching Resources: Adding and Subtracting 100 [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "K 5 Math Teaching Resources: Adding and Subtracting 100 [Pdf] Activity")
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Adding and Subtracting 100 [Pdf]
Students can practice addition and subtraction of 100 on a number line with this activity.