Curated OER
Mentally Add and Subtract 10 or 100
Don't let the title of this one fool you; scholars skip count only by 10 in this number sequence worksheet. They fill in missing numbers on a number line to complete each sequence, adding or subtracting 10. There are two addition...
Curated OER
M & M Addition
Eat your math manipulatives, are you serious? Yup, Learners listen to the story The M & M's Addition book, add single digit numbers to reach sums up to six, and demonstrate addition and subtraction number combinations using several...
Curated OER
Checking Addition and Subtraction by Estimation
In this mathematics worksheet, students solve various equations using different methods. They estimate each answer by checking the additions and subtractions given for each. Then, students write in the decision column wither definitely...
Curated OER
Rounding to the Nearest Hundred
In this rounding worksheet, students round three digit numbers to the nearest hundred. Students round 20 numbers to the nearest hundred.
Curated OER
Math Worksheet: Horizontal Mixed Addition and Subtraction with 1 Negative Number #2
In this online interactive horizontal addition and subtraction worksheet, students practice their math skills as they solve 15 problems that require them to add or subtract with 1 negative number. The answers may be typed in on the...
Alabama Learning Exchange
Triple Addition Shuffle
Get those kids practicing basic math skills. They practice adding 3 numbers together by playing the game "Triple Addition Shuffle." Each pair of learners shuffles number cards together, places them face down, then flips them over to...
Helping with Math
Addition: Number Bonds to 20
Pupils fill in the missing addend to an addition problem that adds up to 20. This number could be a one-digit or two-digit number. They complete a total of 41 missing addend problems. Answers are available.
Curated OER
Make a Thousand
In this addition worksheet, students use only whole hundreds and find out how many different ways they can make one thousand by adding 2 numbers together. There are 10 blank addition operations for students to fill in.
Curated OER
Adding and Subtracting
Adding and subtracting 100 is a breeze once scholars understand the role place value plays in this math process. They examine four examples before adding 100 to 24 numbers and subtracting 100 from 24 more. If you haven't yet covered...
Illustrative Mathematics
Toll Bridge Puzzle
Here is a great problem-solving activity for young mathematicians. Intended solely for instructional purposes, the activity is appropriate for learners to add four numbers together. Not only must they add four numbers together,...
Curated OER
Number and Number Relations
Upper graders multiply numbers by tens and hundreds, and multiply two and three digit numbers by one digit numbers. They participate in a teacher-led lecture and complete examples with the class, complete a worksheet, and discuss the...
Math Worksheets Land
Add and Subtract Multi-Digit Whole Numbers
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this instructional activity walks students step-by-step through the solutions of each, starting in the ones place and...
Curated OER
Book Title: Ten Flashing Fireflies
This instructional activity engages learners in a variety of activities to build 1 to 1 correspondence, estimation, and problem solving skills. They discuss problem solving strategies, hear the story Ten Flashing Fireflies, compose...
Curated OER
Grade 3: Make a Hundred
Third graders roll a die seven times, each time determining whether to add that number of tens or that number of ones to try to make a sum as close to 100 as possible without going over.
Curated OER
Add Nine to Two-Digit Number Year 3
In this finding the sums worksheet, 3rd graders add the numeral nine to two digit numbers using word problems, input forms, and number problems. Students solve 18 problems.
Curated OER
Two-Digit Plus One-Digit Addition (A)
In this math worksheet, young scholars solve 100 problems in which 2 digits are added to one digit numbers. Example: 44 + 9. Problems are written in a vertical format and are closely spaced.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Fun Math Worksheet 100
In this addition worksheet, learners add the numbers that range to 10 to solve the equations. Students complete 15 addition equations.
Curated OER
Standard written method for addition of two 3-digit numbers (1)
In this addition worksheet, students learn how to add two 3-digit numbers. They then solve the 12 addition problems on the worksheet. The answers are on the last page.
Curated OER
Addition Facts
In this adding one-digit numbers instructional activity, students problem solve the sums from one to eighteen. Students solve 100 problems.
Super Teacher Worksheets
Number Patterns
Pattern recognition is an essential step in the development of young mathematicians fluency with the four basic operations. This simple skills practice worksheet asks children identify and complete three different...
Curated OER
Addition Word Problems
These word problems are a medley of addition practice; scholars add prices, chew toys, pages read, miles, and more. For each, there is a box for learners to show their work. Remind your class to read the...
Curated OER
Twelve Days of Christmas--Prediction, Estimation, Addition, Table and Chart
Scholars explore graphing. They will listen to and sing "The Twelve Days of Christmas" and estimate how many gifts were mentioned in the song. Then complete a data chart representing each gift given in the song. They also construct...
Illustrative Mathematics
Ordering 4-digit Numbers
Place value is a concept that sets a foundation for mathematical understanding. Ordering these sets of three- and four-digit numbers will help to strengthen that foundation. A great independent practice worksheet or short assessment to...