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Curated OER
Addition to 20: Practice
A cute pig holds a poster with 15 vertically-oriented addition problems for your little mathematicians to practice sums to 20. They add single-digit and double-digit numbers. Some problems involve regrouping but the worksheet doesn't...
Curated OER
Add Two-Digit Numbers
In this adding two-digits numbers worksheet, students solve horizontal and vertical problems with some regrouping. Students solve 25 problems.
Curated OER
Two Digit Addition With and Without Carrying
In this addition learning exercise, students solve 16 problems in which two digit numbers are added with and without regrouping. Problems are in a vertical format.
National Security Agency
Borrowing from Our Neighbors
Young mathematicians explore two-digit subtraction. They will investigate multiple ways to subtract numbers involving regrouping. Resources are provided.
Curated OER
Prime Numbers: Eratosthenes' Sieve
By offering a step-by-step explanation of how to identify prime numbers, this presentation would be a terrific way to give learners a visual example of prime numbers. This is a simple, and easy way, for students to understand the "why"...
Curated OER
St. Patrick's Day Addition (B)
In this adding two-digit numbers worksheet, students add and regroup to find the sums and follow the leprechaun's path to find his gold. Students solve 38 problems.
Curated OER
Valentine's Day Chocolates Mystery- Sums to 198 (D)
You can find love anywhere, even in a math worksheet! Second graders solve 27 problems in which they add 2 digit numbers to 2 digit numbers with and without carrying. When they are finished, they use their answers to solve a...
Curated OER
Add Two-Digit Numbers
In this story problems learning exercise, students read one problem about a picnic and examine the picture. Students fill in the blanks in 4 questions that will help plan a solution.
Curated OER
Two-Digit Addition With and Without Regrouping
In this addition worksheet, students solve a total of 25 problems using 2-digit numbers with and without regrouping. A website reference for additional resources is given.
Curated OER
Two-Digit Addition With Regrouping #4
In this addition worksheet, students solve a total of 25 problems using 2-digit numbers and regrouping. A website reference for additional resources is given.
Curated OER
Two-Digit Addition with Regrouping #5
In this addition learning exercise, students solve a total of 25 problems using 2-digit numbers and regrouping. A website reference for additional resources is given.
Curated OER
Two-Digit Addition With Regrouping #5
For this addition worksheet, students solve a total of 25 problems using 2-digit numbers and regrouping. A website reference for additional resources is given.
Curated OER
2-Digit Addition #4
In this addition worksheet, students complete 18 horizontal addition problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
Subtraction Word Problems #1
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
CK-12 Foundation
Values Written as Powers: Binary Numbers 1 to 8
A six-question interactive tasks scholars with adding binary numbers one through eight. A tool acts as a visual aid to showcase the patterns made when working with base—2, digits zero and one. Question types include fill in the blank,...
Simply Worksheets
Addition Bingo 2
For this addition worksheet, students add one and two digit numbers together and then play bingo in the squares they are in. Students complete 20 problems.
Curated OER
Addition of Three Numbers; Various Digits (B)
In this finding the sums of three numbers worksheet, students add two-digit, three-digit, and four-digit numbers. Students solve 49 problems.
Curated OER
2 Digit Subtraction Worksheets with Regrouping
In these subtraction worksheets, students will subtract single and double digit subtrahends from double digit minuends. Students will need to regroup to solve.
Curated OER
Adding Greater Numbers
For this addition worksheet, 3rd graders solve 12 addition math problems dealing with 4-digit numbers and money. Students answer 3 addition word problems and 2 addition problems with multiple choice answers.
Curated OER
Addition - regrouping
In this addition worksheet, 2nd graders add two digit numbers together in a regrouping chart. Students complete 12 addition with regrouping problems.
Math Salamanders Ltd.
Column Addition - 4 Digits Sheet 2
Elementary schoolers add four-digit numbers together with regrouping. Students complete 15 column addition problems.
Curated OER
Addition Word Problems #2
Expose scholars to the ways addition is constantly used through 15 word problems. Many of these have more than two addends, and several involve money math and adding numbers with decimals to the hundredths place. Learners also must use...
DK Publishing
Learning 17 and 18 - Write the Numbers
As learners become familiar with counting, it's helpful to use worksheets like this one to focus on just a few numbers at a time. Scholars begin by tracing the numbers 17 and 18, then print each numeral once on their own. Next, they...
Curated OER
Two-Digit Numbers Ending in 8 or 7
In this mathematics instructional activity, students circle the dots to form a complete ten and compare their problem to the one with just ones' digits. Then they add each problem and write down the corresponding problem with just the...