Curated OER
Fun Math Worksheet - Four Digit Subtraction
In this subtraction practice worksheet, students find the differences in 15 problems. They subtract four digit numbers from four digit numbers. They regroup as needed and complete the work on a page that is decorated with black-line...
Curated OER
Spaceship Math Subtraction L
In this subtraction learning exercise, students solve 40 problems in which numbers below 20 are subtracted. These are basic subtraction facts with no regrouping.
Curated OER
Add Groups of 10
In this addition worksheet, students count each group and write the 2-digit number in the top boxes. Students add the number shown in each table to this number. Students draw a line for each extra 10 added. Students record the total at...
Curated OER
Matter
Students complete a unit of activities to learn about states of matter and how to measure matter. In this matter lesson, students complete 8 lessons to learn about matter, its states, and how to measure matter.
Curated OER
Investigation - Who is Right?
Third graders investigate two mathematic scenarios and determine which is correct. They compare adding columns and places (such as the tens place, hundreds place, and so on) and familiarize themselves with how to add larger numbers.
Curated OER
Addition A
Learners solve twenty five addition problems involving a series of one digit numbers. This learning exercise would be a quick and easy way to review this topic.
Curated OER
Subtraction-There's Got to be An Easier Way!
Third graders observe and demonstrate a variety of problems involving subtraction problems using mental math strategies. They discuss the base ten system and the basic concept of subtraction, and complete a variety of activities...
Curated OER
Subtraction (Single Digits)
First graders demonstrate subtraction process using an object (fish scales), set up a subtraction problem using fish scales, and apply the subtraction sign when separating sets of objects.
Curated OER
Place Value Popsicles
Students play a place value game using popsicle sticks and dice. They investigate units and tens.
Curated OER
Shopping for Toys
Students pretend as if they have just won a $100 gift certificate to buy some toys and must try to spend as much of it as they can without going over.
Cool Math
Coolmath: Coolmath4kids: Subtracting Numbers Within 100 With Regrouping
A step-by-step tutorial showing how to subtract using two-digit numbers in the tens and ones columns with regrouping. Includes sample problems to try. It also provides links to subtraction games and more.
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem with regrouping. The video is followed by additional problems for students to practice the skills...
Cool Math
Coolmath: Coolmath4kids: Subtracting Numbers Within 1000
Step-by-step tutorial showing how to subtract numbers less than 1000 in place value columns with and without regrouping. Includes sample problems to try.
Homeschool Math
Homeschool Math: Subtracting Mixed Numbers With Like Fractional Parts
A lesson about subtracting mixed numbers with like fractional parts using the strategies for the subtraction of regrouping and subtracting in parts (piece by piece).
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers Without Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to solve a two-digit subtraction problem without regrouping. The video is followed by additional problems for students to practice the skills...
Khan Academy
Khan Academy: Subtracting Two Digit Numbers (No Regrouping)
In this exercise, students practice subtracting two-digit numbers (no regrouping). Students receive immediate feedback and have the opportunity to watch a tutorial video, get hints, and try questions repeatedly.
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.
Cool Math
Coolmath: Coolmath4kids: Subtracting Numbers Within 100
Short tutorial showing how to subtract using two-digit numbers in tens and ones columns without regrouping.
Other
Nearpod: Subtraction With Regrouping: Three Digit
In this lesson on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 3-digit numbers.
Other
Nearpod: Subtraction With Regrouping: Two Digit
In this instructional activity on subtraction, students will use the break apart strategy, draw a model, or the standard algorithm to subtract 2-digit numbers.
CK-12 Foundation
Ck 12: Elem Math: Subtracting 2 Digit Numbers With Regrouping
[Free Registration/Login may be required to access all resource tools.] The video describes how to subtract two-digit numbers using regrouping. The video is followed by additional problems for students to practice the skills discussed in...
AAA Math
Aaa Math: Subtracting Four Digit Numbers
Demonstrates how to subtract two 4-digit numbers when there is regrouping. The explanation is followed by an interactive where students can practice this skill.
NumberNut
Number Nut: Subtraction: Subtracting From Two Digit Numbers
Explains how to subtract from two-digit numbers, with or without regrouping.