Curated OER
Multiplication Tables: 9's Tricks
Who knew two hands could solve so many problems? Kids learn the 9's times tables trick with their fingers, then work through a series of 9's related math problems intended on building strong number sense and pattern recognition. Great...
Curated OER
Fourth of July Addition and Subtraction
What is Thomas Jefferson signing? Focus on American history with this cross-curricular math puzzle. Learners utilize addition and subtraction skills to solve the mystery of the Fourth of July. All numbers are 3-digit, and there are no...
Curated OER
Adding a Single Digit
In this problem solving addition learning exercise, students add three digit numbers to one digit using regrouping. Students solve for 25 problems that are written horizontally on the page.
Curated OER
Book Title: You Can’t Buy a Dinosaur with a Dime
Students explore the concepts of multiple digit addition and subtraction. In this addition and subtraction lesson, students read the book You Can’t Buy a Dinosaur with a Dime and then discuss methods for solving a particular math problem...
Curated OER
Mental Arithmetic--Adding to Thousands
In this adding to thousands instructional activity, students mentally add 12 problems as fast as they can without using paper and only writing down their answers. Students solve 3 additional addition problems and then explain what method...
Curated OER
Adding Greater Numbers
In this adding greater numbers worksheet, students solve 13 problems in which four numbers are added in a column. Most numbers are four or five digits; students will need to regroup more than once.
Curated OER
Operations with Decimal Numbers
Sixth graders demonstrate operations with decimal numbers. In this computation lesson, 6th graders play the game "Diabolical Decimals." The objects of this game is to construct the largest number after rolling a die five times. The...
Curated OER
What Is the Rule?
In this math tables worksheet, students complete 4 blanks in a math table in which two digit numbers are added. Students determine the pattern and write the rule. There are four tables on the page.
Curated OER
Addition Fact Worksheet- Level 2
In this addition facts worksheet, students solve 12 problems in which one or two digit numbers are added with sums up to 20. Problems are in a horizontal format.
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, learners 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, learners 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
Learners explore the concept of probability. In this probability lesson, students use area to determine probability. Learners use charts and spinners to help determine the probability of events such as flipping a coin or rolling a...
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
In this single-digit addition activity, students complete a total of 4 problems, joining problems to answers with a balloon string to match.