Curated OER
Mentally Add Larger Numbers
Using what they know about adding 10s and 100s, learners attempt to mentally solve 18 addition problems. Each problem requires them to think of the nearest 10 or 100, add them together, then add the remaining units.
Curated OER
Addition
Those are some big addends! Challenge students to find the sum of 16 equations, each of which has at least three addends. They are adding, two, three, and four-digit numbers here, and regrouping is a given. Two example problems offer...
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
Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100
In this addition and subtraction activity, students solve 10 problems in which two digit numbers are added or subtracted. Problems are in a horizontal format and may need to be rewritten. This is an online interactive activity that can...
Curated OER
Adding One-Digit Whole Numbers
In this adding one-digit whole numbers worksheet, 1st graders solve 20 addition problems in vertical format with whole numbers from 1 to 10, answers included.
Curated OER
Valentine's Day Chocolates Mystery: Sums to 198 (A)
For some Valentine's Day math fun, students solve a puzzle to find how many chocolates are in the candy box. Students add two digit numbers to other two digit numbers, and each answer over 98 represents a candy in the Valentine's candy box.
Curated OER
Addition Worksheet
In this addition worksheet, students add two digit to two digit numbers. No regrouping is required to complete this worksheet.
Curated OER
Add Three Numbers
In this column addition worksheet, students solve 11 problems in which three two-digit numbers are added. There will be regrouping on this page.
Curated OER
Add Three Numbers Practice 11.4
In this column addition worksheet, students solve 13 problems in which three two-digit numbers are added. Students look for a ten or a double.
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
Adding Two Numbers
Keep addition drills interesting by varying the exercises. There are four separate sections here for youngsters to solidify their understanding of adding three-digit addends. First, they calculate eight vertically aligned equations,...
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!
Math Worksheets Land
Area of Rectangles in Word Problems - Matching Worksheet
Using just the measurements of ten rectangles, scholars match them to their calculated areas. Each of these is measured in feet, so the areas are labeled with square feet. The lengths and widths here are double and triple-digit whole...
Curated OER
Making 100 By Adding
In this addition learning exercise, students create number problems that equal 100. In this fill in the blank learning exercise, students generate ten addition problems.
Under the Dome
The Candy Bowl
Wonder how many pieces of candy a teacher can eat. Pupils watch a video of candy in a bowl as some candy is removed to be eaten and others are added. Learners devise questions about the situation along with estimated solutions. Scholars...
DK Publishing
Addition Practice Worksheet (Adding Three 2-digit Numbers)
Three addends stack up for some strenuous sum practice! All of the numbers are double-digits, and regrouping is often necessary. Challenge your second graders or provide practice for older mathematicians with this assignment. An answer...
Curated OER
Adding Two-Digit Numbers Using Dimes and Pennies
First graders examine regrouping when adding, by using dimes and pennies to borrow. In this addition lesson, 1st graders work together as a whole group, working together with the teacher.
Curated OER
Two-digit And Three-digit Numbers
In this math worksheet students will add two and three digit numbers. Students will synthesize answers for 80 horizontal math problems with regrouping.
Curated OER
Santa's List Sums (D2)
In this Christmas math instructional activity, students solve 15 problems in which two digit numbers are added, with and without carrying. This page has the theme of Santa's list.
Curated OER
Do You Carry the Ball?
In this addition worksheet, students add two digit numbers together with and without regrouping. Students complete 9 problems total.
Curated OER
Addition With Place Value
For this addition worksheet, students solve 8 problems in which two digit numbers are added by breaking down each number into tens and ones. There are detailed examples.
Curated OER
Add 2-Digit Numbers
In this addition worksheet, students complete 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
Addition of 2-Digit Numbers
In this addition worksheet, students complete 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.
Curated OER
Addition of 2-Digit Numbers #2
In this addition worksheet, students compete 12 problems, adding one 2-digit number to another. A reference web site is given for additional activities.