Curated OER
Estimating Sums of Money
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
Curated OER
Math Squares
It's Sudoku for beginners! Well, not exactly, but these math squares offer a fun way to practice addition for your students. Each of the sixteen 3x3 squares has four numbers filled in. Scholars add the numbers across...
Curriculum Corner
Academic Math Vocabulary
The ABCs of math are so important. Find commonly used math terms in a 42-page packet. Each page has the word, a place to write the definition, and a place to give specific examples of the term. A must-have for all math classrooms!
Curated OER
Mentally Add and Subtract 10 or 100
Find the missing digits in these number sequences. Each of the ten has one missing number and scholars must figure out what it is. Here's the pattern: all of these sequences involve counting by 10s. Learners add or subtract 10 to...
Curated OER
Horizontal Mixed Addition and Subtraction Using Numbers Between 1 and 100
In this addition and subtraction instructional 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...
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...
Curated OER
Addition and Subtraction Mix--Level 3 Mix
Simple addition and subtraction is the focus of this worksheet which has students solve 100 addition problems and 100 subtraction problems involving single and double digit numbers.
Curated OER
Add With No Regrouping
For this finding the sums worksheet, students add one digit-numbers plus two-digit numbers with no regrouping. Students solve 30 problems.
T. Smith Publishing
Easter Addition : Sums to 100
Around Easter time, if your class is working on adding two-digit sums with regrouping, this worksheet would make a colorful addition to your homework assignments. After solving 25 problems, they can color all of the eggs that have an...
Curated OER
All Two Minute Test
In this addition facts practice instructional activity, students solve 80 problems that require them to add 1-digit numbers to 1-digit numbers.
Curated OER
One-Digit Addition; With Regrouping (B)
In this addition review worksheet, students use problem solving skills to solve 100 problems that require them to add 1 digit numbers with regrouping.
Curated OER
Addition and Subtraction Mix--Level 1 Mix
Simple addition and subtraction is the focus of this worksheet which has students solve 100 addition problems and 100 subtraction problems involving single and double digit numbers.
Curated OER
Addition and Subtraction Mix--Level 2 Mix
Simple addition and subtraction is the focus of this worksheet which has students solve 100 addition problems and 100 subtraction problems involving single and double digit numbers.
Fuel the Brain
Addition & Subtraction
Do your young learners know how to recognize a number if it is spelled out instead of being shown as numerals? They will solve two-digit and three-digit addition problems by recognizing the word and transferring that number into numerals.
Curated OER
Three-Digit Numbers Activities
In this three-digit numbers worksheet, students write numbers in columns of place values, write expanded form numbers in standard forms, and write numbers using words. Students complete fifteen number activities.
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
All Two Minute Test, #2
In this addition facts practice worksheet, students solve 80 problems that require them to add 1-digit numbers to 1-digit numbers.
Curated OER
Independent Practice 2: Numbers to Words
In this numbers to words worksheet, students read three-digit numbers and then write them as words. Afterward, they read words and translate them to numbers. This one-page worksheet contains 20 problems.
Curated OER
Addition: Number Bonds to Fifty
In this identifying numbers that total fifty worksheet, students use an addend and the sum fifty to write the missing number. Students solve 41 problems.
Curated OER
Add 9 to a 2-Digit Number
In this addition worksheet, students add 9 to a series of 2-digit numbers and increase given numbers by 9. An answer key and website reference are given.
Curated OER
What Number Am I?
In this numbers worksheet, students solve number clues to figure out 3 digit numbers. Students complete 10 problems trying to figure out the numbers.
Curated OER
Use a Number Line to Add - Practice
In this math worksheet, 1st graders use a number line to practice finding the sums in 18 single digit addition problems. They complete a test prep question in which they find a sum and explain which number they should count from and tell...
Curated OER
Addition Using 12
In this addition facts practice instructional activity, students use their math skills to solve 100 problems that require them to add the number 12 to 1 and 2 digit numbers.
Curated OER
Addition Using 11
In this addition facts practice worksheet, students use their math skills to solve 100 problems that require them to add the number 11 to 1 and 2 digit numbers.