Curated OER
Addition Practice #5
Find the sum, no problem! Your class will add single digit to double digit numbers to determine the sum for 30 practice problems.
Curated OER
Understanding Place Value, Up to 3-Digit Numbers
Work on place value and addition. Here is a resource that features different types of problems for your second graders to solve. After studying the example at the top of the page, they write the missing number in 12 addition problems....
Curated OER
What's a Vampire's Favorite Sport - Addition
In this addition worksheet, students will solve 41 addition problems with sums less than ten. Students will then match a letter associated with each number and use this to make a word and solve riddles with a Halloween theme.
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...
EngageNY
The Geometric Effect of Some Complex Arithmetic 1
Translating complex numbers is as simple as adding 1, 2, 3. In the ninth instructional activity in a 32-part series, the class takes a deeper look at the geometric effect of adding and subtracting complex numbers. The resource leads...
Curated OER
Reading Numbers
Teach number value to 20 through sets of objects. Young pupils use the number given for each of the four sets to determine how many should be colored in. How many are left? There is an addition box that has been left blank so scholars...
Curated OER
Subtraction with 3 Digit Numbers #2
Take subtraction to the next level with this resource, which contains 20 subtraction problems with three-digit numbers. After completing these problems, second and third graders work on five additional problems, which involve two-digit...
Curated OER
Single Digit Addition
In this addition worksheet, students solve 20 problems in which single digits are added. These are basic addition facts in a vertical format.
Curated OER
Backpack-tivity: An @Home Learning Activity Number Tic Tac Toe
For this addition and subtraction worksheet, students draw a tic-tac-toe grid and play the game using numbers 0-9 instead of x's and o's, respond to 1 short answer questions, and play the game once more this time using the numbers 0-12.
Curated OER
Add or Subtract (up to 50)
Do you add or subtract? It's up to your mathematicians as they fill in the symbol for 16 equations to make them true. The numbers in this section don't exceed 18. Next, learners answer six word problems by determining the missing addend...
Education Development Center
Sum of Rational and Irrational is Irrational
Sometimes the indirect path is best. Scholars determine whether the sum of a rational number and an irrational number is irrational. Reading a transcript of a conversation between classmates leads to an indirect proof of this concept.
Curated OER
Adding and Subtracting Mixed Numbers (1)
In this adding and subtracting mixed numbers activity, students problem solve and calculate the answers to ten addition and subtraction equations.
Curated OER
Adding and Subtracting Like Mixed Numbers (8)
In this adding and subtracting mixed numbers worksheet, students use their math skills to solve 7 problems that require them to add and subtract mixed numbers with like denominators
Curated OER
Missing Numbers: Addition and Subtraction
In this missing numbers worksheet, students fill in missing numbers to complete a set of 8 problems using addition or subtraction. A reference web site for additional resources is given.
Curated OER
Adding 8 to a Single Digit
For this addition worksheet, learners solve 10 math problems in which they add 8 to a single digit number. The answers are on the second page.
Curated OER
Adding 9 to a Single Digit
In this addition worksheet, students solve 10 math problems in which they add the number 9 to a single digit number. The answers are on the second page.
Curated OER
Adding 4 Numbers
In this addition worksheet, 2nd graders find the missing number in 11 addition problems involving adding 4 single digit numbers together to get a specific sum.
Curated OER
Adding 4 to a Single Digit
In this addition worksheet, students solve 10 math problems in which they add the number 4 to a single digit number. The answers are on the second page.
Curated OER
Adding 2 to a Single Digit
In this addition worksheet, students solve 10 math problems in which they add the number 2 to a single digit number. The answers are on the second page.
Concord Consortium
Last Digit Arithmetic
Mathematics involves a study of patterns. The exploratory lesson has learners consider the addition pattern in different sets of numbers. Each set has a different pattern that pupils describe mathematically. The patterns involve both...
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Illustrative Mathematics
Making a Ten (Grade 1)
How many ways can first graders make a 10? Using an addition chart, learners color in the 10s on the table. They notice and explain the meaning of the pattern, and how to get to another sum of 10.
Curated OER
Times Tables - Multiplication
Introduce students to multiplication through this fantastic math worksheet. Provides beginners with an explanation of multiplication as repeated addition using pictures to help students visualize the meaning and process of multiplying....
Curated OER
Addition Worksheet
For this addition worksheet, students solve 20 addition math problems involving single-digit numbers ranging from zero to nine.