Curated OER
Adding and Subtracting Fractions/Mixed Numbers (1)
In this math worksheet, students solve 10 problems in which fractions and mixed numbers with unlike denominators are added and subtracted. Every problem has 3 numbers to be both added and subtracted. Denominators are often two digits.
Curated OER
Summer School Math Worksheets --Addition and Subtraction
In this math worksheet, students solve 100 addition problems in which 2 digit numbers are added, with and without carrying. Students then solve 100 subtraction problems with 2 digits, with and without regrouping.
Curated OER
More Addition Using Tenths 2
In this addition with decimal tenths practice worksheet, students practice their computation skills as they solve 40 problems that require them to add 3 or 4-digit decimal numbers.
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
Yummy Gummy Subtraction
Here is a quick 15 minute lesson intended to introduce subtraction. Learners count and subtract gummy bears to complete 5 problems. The lessons suggest that the gummy bears can be saved and used the next day, but gummy bears get gross...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 4
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
Curated OER
Make Ten Bundles
How many rolls until you get to 100? Young mathematicians will have a blast with this place value game, which has them rolling a die and placing a corresponding number of popsicle sticks in the "ones" column of their mat. Once they get...
Curated OER
Adding Money
In this consumer math addition worksheet, students add three-digit dollars and cents numbers with regrouping. Students solve 20 problems.
Curated OER
Calculating with Significant Digits
In this significant digits worksheet, students are given the rules to finding significant digits when adding, subtracting, multiplying and dividing. Students solve ten problems and express their answers with the proper number of...
Curated OER
Mentally Add and Subtract 10 or 100
Get your mental mathletes in top form with this number sequence worksheet! They must add or subtract 10 from a number to complete these number lines, finding the missing three-digit numeral from a list of answers. Encourage verbal or...
Curated OER
American Indian Math
Upper graders examine Native American culture while practicing mathematical concepts related to patterns and estimation. They will use mental math to add/subtract single digit numbers.
Pennsylvania Department of Education
Adding and Subtracting Rational Numbers to Solve Problems
Students explore the concept of probability. In this probability instructional activity, students use area to determine probability. Students use charts and spinners to help determine the probability of events such as...
Curated OER
Beginning Addition
Students examine the concept of addition by adding two one-digit numbers whose sum is less than ten. They count and add goldfish crackers together, chorally repeating each problem.
Curated OER
Multiplying in Columns, Standard Way
In this multiplying worksheet, students multiply two digit numbers. Explanations and examples are provided prior to the exercise. This two-page worksheet contains 20 problems.
Curated OER
Single-Digit Addition
For this single-digit addition worksheet, students complete a total of 4 problems, joining problems to answers with a balloon string to match.
Curated OER
Single-Digit Addition
In this single digit addition worksheet, students draw lines to match the answers to addition problems shown in balloons to their corresponding answers.
Curated OER
Christmas Addition
In this holiday math lesson, students color Christmas symbols and complete twelve two-digit addition problems. There are no regrouping problems. This worksheet has five pages with 12 problems on each page.
National External Diploma Program Council
Finding an Average
Young hopefuls can practice finding the average of a group of numbers represented in tables and word problems.
West Contra Costa Unified School District
The Power of Ten: Building a Magnitude Model
Add visual representation to teaching place value with a magnitude model. Using adding machine tape, pupils build a linear place value strip from 1 to 100.
Noyce Foundation
Ducklings
The class gets their mean and median all in a row with an assessment task that uses a population of ducklings to work with data displays and measures of central tendency. Pupils create a frequency chart and calculate the mean and median....
Catch My Party
Back to School Printables
Prepare your classroom for Back-to-School Night with this collection of printable displays. Including a Welcome Back sign, labels for classroom supplies, and table markers for a back-to-school buffet, this resource helps support...
Curated OER
QR Coded Audio Periodic Table of the Elements
Take the periodic table into the digital age with QR codes that take the scanner to an audio recording about each element from the Royal Society of Chemistry. Enlarge the image, then use a smartphone or tablet to scan the code for an...
Curated OER
Math Lesson Plan : Finger Counting
Create a class of mathematics master. They practice addition to ten until they have mastered the skill. They use their hands to add numbers and eventually find the missing addend to make a sum of 10. They also subtract a single digit...
Curated OER
Fibonacci Trick
In this algebra worksheet, students solve a puzzle starting with two single digit numbers and eventually conclude that the answer can be used with Fibonacci's pattern. There are 11 steps to the puzzle with a provided answer.