Curated OER
Fun Math
In this finding the sum worksheet, students add one digit and 2-digit numbers on a page with clip art next to each problem. Students solve 15 problems.
Curated OER
Solving Word Problems
In this finding the sums and differences for story problems worksheet, students add and subtract up to two-digits without regrouping. Students solve 6 problems.
Curated OER
Investigation - Who is Right?
Third graders explore mathematics by solving problems in groups. In this math functions lesson, 3rd graders demonstrate their understanding of addition and subtraction by completing two digit math problems. Students define a list of math...
Curated OER
Subtraction
Second graders regroup two-digit numbers and solve advanced subtraction problems with regrouping; students use straw and cup manipulatives to demonstrate how to borrow from the tens place in order to solve the problem.
Raytheon
Adding and Subtracting Decimals
For this adding and subtracting decimals instructional activity, students add and subtract numbers with decimals in word problems. Students complete 12 word problems.
Curated OER
Two By One Multiplication
Third graders use base-ten blocks to find products of two-digits by one-digit by making a model of the problem. They complete a worksheet by multiplying 2-digits by 1-digit with regrouping. They may use the base-ten blocks if needed.
Curated OER
Summer School Math Worksheets --Addition and Subtraction
In this math instructional activity, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Curated OER
Fun Math Worksheet
In this addition worksheet, students add two, five digit numbers together to get a sum. Students complete 15 addition problems with and without regrouping.
Curated OER
Make a Match
Second graders examine the relationship between addition and subtraction. In this number sense lesson, 2nd graders practice their computation skills and use various strategies (including manipulatives and calculators) to...
Curated OER
Relationship Between Addition and Subtraction
Learners are taught how to add and subtract and use number sense to solve basic math problems. In this addition and subtraction lesson, students are being taught using theories from different philosophers in education. They are given a...
Curated OER
Adding Greater Numbers
In this adding greater numbers instructional activity, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
Curated OER
Subtraction Worksheet: Practicing Borrowing
In this subtraction worksheet, students solve 64 problems in which two or three digit numbers are subtracted. There will be regrouping in each problem.
Curated OER
Practicing Borrowing
For this subtraction worksheet, students solve 64 problems in which two or three digit numbers are subtracted. Students will need to regroup in each problem.
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
Subtraction With Negative Results
In this subtraction worksheet, students solve 80 problems in which a single digit number is subtracted from another number that is smaller. The answers will be negative numbers.
Curated OER
Math Webs #1- Addition
In this elementary math worksheet, 3rd graders complete 4 addition math webs by adding the number in the middle of the web to those that are placed around it in a circular graphic organizer. They work with single digit numbers that may...
Helping with Math
Addition - Four 4-digit Numbers
Stack up those digits and get your fourth graders adding! This printable handout displays 20 addition problems in which pupils find the sum of four four-digit numbers. With a click of the box in the upper left corner of the web page,...
Curated OER
Pot of Gold Addition
In this math learning exercise, students solve sixteen addition problems. Each problem includes adding various amounts of money, and students write their answers in a cartoon pot of gold.
Curated OER
Fun Math Worksheet
In this addition worksheet, students add 2 and 3 digit numbers together with and without regrouping. Students complete 15 addition problems.
Curated OER
Let's Trade
Second graders engage in a lesson plan which focuses on adding two-digit numbers and the regrouping process. They identify when the regrouping process is necessary and make appropriate "trades" to complete an addition problem.
Curated OER
Mixed Addition and Subtraction Word Problems Two Version 1
In this word problems instructional activity, students read the word problems and use addition or subtraction to solve the problems. Students solve 5 word problems.
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
EngageNY
Sums and Differences of Decimals
Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...
Curated OER
Bug Bite
For this addition worksheet, students add three to five numbers together with regrouping and match the answer to the letter in the problem to solve a riddle. Students solve 15 problems and answer 2 questions.