Buffalo State
Adding and Subtracting Integers Unit
Just because one integer is larger than another doesn't mean it will make sense right away. Go beyond note taking and show learners, through the use of algebra tiles and a Four-Pan Algebra Balance, how the numbers relate to one...
Curated OER
Three Addend Addition 2
In this addition practice worksheet, students use their problem solving skills to solve 8 problems that require them to add multiple digit numbers. Each problem has 3 addends.
Curated OER
Number Chart and Number Line
First graders research strategies for identifying numbers through 100. In this number recognition lesson, 1st graders make games, create puzzles,and fill in missing numbers to practice number identification.
Curated OER
Two Numbers to Make a Total
In this addition activity, students practice finding 2 ways to come up with the same sum for the following numbers: 80, 44, 31, 70 and 42.
Curated OER
Making a Ten
An addition table supports third graders as they learn strategies to improve their math fluency. When finding sums greater than ten, students are taught how to first make a ten and then add on the rest. A similar method is also...
Curated OER
Adding Machines
Turn your first graders into adding machines! This is a fun way to practice single-digit addition, and scholars complete 25 equations. Each machine has a function; five numbers go into the machine, are added to, and emerge on the other...
DK Publishing
Adding to Sets
After adding to several sets of shapes, scholars count the number in each set and write the total in a box. There are four sets here calling for one, two, three, and four more shapes to be added to the existing figures. A final bonus...
DK Publishing
Addition Practice #3
If you're in search of some basic addition drills, take a look at this for your second and third graders. There are 20 vertically aligned equations here, each with one three-digit addend and one...
DK Publishing
Adding One More, 1 More Than
Gain familiarity with numbers 0-10 with a counting and addition activity for beginners. Scholars examine three pairs of circles, checking off the one representing one more than the other. Then, they read illustrated number sentences and...
DK Publishing
Learning 10 - Write the Number
Already covered numbers 0-9? It's time to focus on 10 with this set of exercises. First, youngsters trace the number 10 three times and try printing it a couple of times on their own. Next, they count five sets of bottles and write the...
Curated OER
Ten More or Ten Less
This set of problems has learners complete a variety of tasks as they practice adding 10 and subtracting 10. An apple tree with two apples isn't very fun; how about one with ten more? They draw the apples onto the tree and write the...
Curated OER
Adding and Subtracting Mixed Numbers Lesson Plan
Students investigate fractions while adding and subtracting mixed numbers. They discuss how to add and subtract mixed numbers and they practice working with mixed numbers. They complete a worksheet while working with mixed numbers.
Curated OER
Worksheet 2 - Odd & Even Numbers
Here's a good worksheet to use as a way to assess how well the class understood the lesson on odd and even number. They will mark odd and even numbers, add odd number, add even numbers, mark the odds and evens, then answer 3 related fill...
Curated OER
Add Mixed Numbers with Like Denominators (J)
In this mixed number addition activity, learners add the whole numbers and then the fractions in the mixed number equations. Students then reduce the fraction to solve the 14 problems.
Curated OER
Adding and Subtracting Mixed Fractions (D)
Use this mixed number worksheet to have your charges complete a total of 10 problems using mixed numbers. Answers and link to additional worksheets included page 2.
Curated OER
One More/One Less Scoop
It's so simple: scoop a spoonful of counters, count them, and then make a set that is one more than that number. Next, make a set that is one less. The tangible nature of this basic addition and subtraction activity will keep learners...
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
Number Base Clocks
Young scholars investigate place value in base ten. In this number sense lesson, students participate in an online lesson at www.shodor.org/interactivate/activities/NumberBaseClocks and demonstrate how to convert numbers from base ten to...
Curated OER
Add Mixed Numbers with Like Denominators (F)
In this adding mixed numbers practice learning exercise, students solve 14 problems that require them to add mixed numbers that have like denominators.
Curated OER
Add and Subtract Mixed Numbers Quiz
Use this mixed number worksheet to have your charges complete a set of 13 problems, adding or subtracting mixed numbers. Answers are included on page 2, a reference web site is given for additional activities.
Curated OER
Multiplying by 2-Digit Numbers
If you're looking to assign two-digit multiplication practice problems, this set of 16 comes with sample problems and plenty of room to show work. Scholars find the product of each equation, regrouping numbers and recording the final...
Curated OER
Problem Solving - Adding Whole Numbers
In order to practice problem-solving skills, pupils work through a series of word problems. They each determine an answer and then share their thinking process with the class. This lesson demonstrates that there may be more than one way...
Curated OER
Horizontal Three Digit Place Value Addition
In this addition activity, 3rd graders focus on adding three different numbers. Students solve for 16 horizontal problems with no regrouping necessary.
Curated OER
Column Addition: Single Digits
In this math activity, students will add three numbers to find the sum. The equations are presented vertically and addends are numbers 1 to 9.