Curated OER
Add or Subtract Whole Numbers Up to 1000
Elementary schoolers solve practice problems on the board and are shown how to line up the numbers for addition. They solve various addition problems in small groups. Everyone continues the same process for solving subtraction problems.
Curated OER
Addition and Subtraction up to 100
After reviewing double-digit addition and subtraction up to and from 100, learners are introduced to addition and subtraction up to and from 10,000. A grid is used along side number decomposition to help them solve a word problem...
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,...
Curated OER
Add One-Digit Numbers to Two-Digit Numbers
In this addition review worksheet, students practice adding 1-digit numbers to 2- digit numbers as they solve 3 addition problems.
Curated OER
Subtraction: One Digit from Two Digits With No Regrouping
In this subtraction worksheet, 3rd graders find the differences to 30 problems in which they subtract a one digit number from a two digit number. They regroup as needed.
Curated OER
Addition-adding one digit to two digits
In this addition worksheet, students add one digit numbers to two digit numbers. There are thirty problems to answer. Students can complete this worksheet online and submit the answers.
Curated OER
2 Digit Addition Worksheet (No Regrouping) #4
In this addition worksheet, students solve 20 problems in which two digit numbers are added. There is no carrying on this page.
Curated OER
2 digit addition
In this addition worksheet, students solve 2 digit addition problems with regrouping. Students solve 12 addition problems and have a review in the beginning.
Curated OER
Addition: Level 3: 2x1 Exercise 2 Carryovers
In this online addition worksheet, learners add the double digit number with the single digit number and carry over to find the correct answer. Students enter their answers in the boxes and click submit.
Curated OER
Column Addition -No Carrying, 2-Digits
In this addition instructional activity, learners complete 12 problems, adding 2-digit numbers. Problems do not require carrying. A reference web site is given for additional activities.
Curated OER
Adding and Subtracting up to 5 Guided Lesson
Using only numbers up to five, beginners to addition complete four basic number sentences to find the sums of each. This worksheet is unique in that the first two problems are actually written out, and the last two are numerical. As a...
Curated OER
Adding and Subtracting Fractions 1
In this adding and subtracting of fractions worksheet, students add and subtract fractions containing one and two digit numbers and unlike denominators. Students complete 16 problems.
DK Publishing
Adding with 3-digit Numbers #2
These 25 addition problems each have two 3-digit addends, and many require regrouping. There are three examples to guide learners in all the types of problems they encounter, including the last set of five which have four-digit sums....
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
Addition: 2-Digit plus 2-Digit, No Regrouping
In this addition worksheet, students complete 30 problems, adding two, 2-digit numbers-no remainders. Worksheet includes links to answers and additional worksheets.
Curated OER
Standard written method for addition of 2-digits
In this addition activity, students learn how to add two 2-digit numbers together. They then use what they read to solve the 12 addition problems. That answers are on the last page.
Curated OER
Building 2-Digit Numbers
In this addition activity, 2nd graders use the building method to find the sums of 2-digit numbers. They find the totals in 6 examples that have three 2-digit addends in each problem.
Curated OER
Addition: Two Digit Mental Addition
In this 2-digit addition worksheet, students learn how to solve 2-digit math problems in their heads instead of on paper. They then solve the 20 problems on the worksheet. The answers are on the last page.
Curated OER
Addition Worksheet
In this addition learning exercise, students solve twenty addition math problems by adding two double digit numbers together and writing the answers below each line.
Curated OER
Addition Drills, part 3
Here's an addition drill for scholars who are already comfortable with regrouping. There are 30 horizontally-aligned problems here, each with two 2-digit addends. Mathematicians use three examples as reference as they solve each of...
Curated OER
St. Patrick's Day Addition (B)
In this adding two-digit numbers activity, students add and regroup to find the sums and follow the leprechaun's path to find his gold. Students solve 38 problems.
Curated OER
Model Adding 2-Digit Numbers
In this adding two-digit word problems worksheet, students and equations with and without regrouping. Students solve six problems.
Curated OER
Two Digit 2
In this addition instructional activity, students provide correct computations illustrating their understanding of the concept by adding double digit numbers. There are 25 problems to solve.
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.