Curated OER
Addition - Three 1-Digit Numbers
In this addition practice worksheet, learners practice their computation skills as they solve 30 problems that require them to add 1-digit numbers. Each problem has 3 addends.
Curated OER
Addition - Three 2-Digit Numbers
In this addition practice worksheet, students practice their computation skills as they solve 25 problems that require them to add 2-digit numbers. Each problem has 3 addends.
Curated OER
Math Assessment: Counting, Ordering, Writing Number Sentences
In this math assessment worksheet, students complete a 6 question quiz with a variety of skills. Included skills are ordering from greatest to least, writing number sentences to match a picture, and subtraction with borrowing.
Curated OER
Mass
Young scholars determine how mass is a property of an object that can be measured, and examine how size affects mass. They work with balances and determine what units of measurement are associated with mass. Finally, they determine the...
Curated OER
Charting Animal Life Spans
Second graders research animal life spans and complete related math activities. In this life span lesson, 2nd graders read How Many Candles and discuss life spans. Students arrange animal cards based on their life spans. Students find...
Curated OER
Solving Money Problems
In this money worksheet, students solve problems where they add amounts of money in addition problems and finding the total cost of items. Students complete 8 problems.
Curated OER
Adding and Subtracting Triple and Single Digits
In this addition and subtraction activity, 3rd graders will use single digits added or subtracted with triple digits. Students complete 15 horizontal problems with some regrouping necessary.
Curated OER
Subtracting 2 and 3-Digit Numbers
In this subtraction worksheet, students complete a set of 20 problems that use 2 and 3-digit numbers. Some problems require regrouping.
Curated OER
Subtracting Decimals
In this subtraction of decimals worksheet, students subtract decimals in 40 problems. These are 2 digit problems, written vertically, some with regrouping.
Curated OER
Let's Shop
Upper graders add and subtract decimals, using concrete objects and story problems. Note: The Concentration Cards and Homework assignment link at the bottom of the plan doesn't work.
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
Hangtags and Labels
Students brainstorm the information found on hangtags and labels. They discuss the necessity of hang tags and create a hangtag to advertise or identify themselves. Afterward, they share their tags with their peers and answer discussion...
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.
NumberNut
Number Nut: Subtraction: Subtracting From Two Digit Numbers
Explains how to subtract from two-digit numbers, with or without regrouping.
CK-12 Foundation
Ck 12: Elem Math: Subtraction 3 Digits Minus 2 Digits
[Free Registration/Login may be required to access all resource tools.] The video describes how to use regrouping when subtraction a two-digit number from a three-digit number. The video is followed by additional problems for students to...
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.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Subtraction, and Mental Calculation
This website explains and defines basic subtraction. There are practice problems at the very end of this lesson.
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.
Khan Academy
Khan Academy: Regrouping: Two Digit Number Minus One Digit Number
In this exercise, students practice regrouping with two-digit number minus one-digit number. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
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 solve a two-digit subtraction problem with regrouping. The video is followed by additional problems for students to practice the skills...