5280 Math
Multiplication Table Algebra
Patterns, patterns, everywhere! Young scholars examine the multiplication table to identify patterns. Their exploration leads to an understanding of the difference of squares and sum of cubes by the completion of the algebra project.
Improving Measurement and Geometry in Elementary Schools
The Sum of the Interior Angles of a Polygon
Junior geometers discover that polygons can be decomposed into triangles and that the number of triangles can be determined by a rule. Note that the Geometer’s Sketchpad® software is required to carry out all components of this lesson.
Curated OER
Money to 50 Cents
In this counting coins worksheet, students solve 20 problems in which nickels, dimes and pennies are counted. Students record the total. All sums are below 50 cents.
Curated OER
Adding Coins to 50 Cents
In this money addition worksheet, students add the money in 10 problems and write the correct total. There are nickels and dimes only; all sums are below 50 cents.
Curated OER
Estimate Sums and Differences
In this sums and differences learning exercise, 6th graders solve 20 different problems that including the estimation of numbers in each one. They estimate the sum or difference found in each problem and write it in the space provided....
abcteach
Simple Integer Addition
Add to your collection of math resources with this skills practice worksheet. Offering dozens of addition problems with sums less than 100, this resource is a simple way to hone the basic skills of young mathematicians.
Curated OER
Sum of an Arithmetic Series
In this algebra activity, students are asked to add up the integers from 1 to 100. They use Gauss method to find the sum of this arithmetic series. There is an answer key with this problem.
Curated OER
Number Lines and Whole Numbers
Number lines are a great way to help scholars grasp basic addition when it's still a new concept. This worksheet offers them 10 chances to practice this association. The first five have an addition equation and a number line; learners...
DK Publishing
Addition with 3-Digit Numbers #1
Once your mathematicians can add two-digit numbers, it's time to bring on the three-digit addends. Here are 20 practice problems, each involving two whole-number addends. Learners do not need to regroup for any of these, and they have...
Curated OER
Division of 3-Digit Decimal Numbers
Move that decimal up into the quotient! Mathematicians practice long division with three-digit dividends that have decimals to the hundredths place. All the divisors are single-digit numbers, and there are two examples demonstrating the...
Curated OER
Adding Dice
Roll the dice! These addition number sentences are for beginning mathematicians, and each addend is displayed on a die. Learners add up two or three single-digit addends to find eight sums in the first half of this activity. Next, they...
Curated OER
Adding 2-Digit Numbers, part 2
Looking for addition practice problems? You've found them! This worksheet features 30 double-digit addend equations and three examples to guide young mathematicians. Because they incorporate carrying for almost every problem, this may be...
Curated OER
More and Less
Mental mathematicians add and subtract 1, 10, and 100 from sets of numbers. Each set of one, two and three-digit numbers gives scholars a chance to practice their addition and subtraction skills. There are 62 whole numbers in all. What...
Curated OER
Decimal Addition
Practice adding decimals by completing 26 practice problems. Scholars examine two examples before trying these on their own. They add two and three-digit numbers with decimals, regrouping when needed. Not all numbers have decimals, but...
Curated OER
Hands On: Find Decimal Sums and Differences
In this finding decimal sums and differences practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Sum of an Infinite Series
In this word problem worksheet, students solve one sum of an infinite/rate problem. The rate problem is solvable in two ways. The easiest approach is provided.
Curated OER
Finding the missing vales and the sums for Geometric Series
In this geometric sums worksheet, students find the indicated sum of eight geometric series, the missing values of ten series, and solves for twelve addition problems related to geometric series.
Curated OER
Sums of 10
In this addition worksheet, students solve a total of 50 problems adding 10 to 1-digit numbers. A website reference for additional resources is given.
Curated OER
Integer Addition; Range (-99) to (+99) (H)
In this number sense worksheet, student practice adding integers with a range of (-99) to (+99). They find the sums in 54 problems.
Inside Mathematics
Circles in Triangles
Challenge the class with inscribed circles in triangles. The assessment task requests class members use their knowledge of circles and right triangles to prove two triangles are congruent. They go on to utilize their knowledge of...
Curated OER
Consecutive Integers, Sum of 100
In this secondary mathematics worksheet, students determine the number of sets of consecutive positive integers who have a sum of 100. The one page worksheet contains one problem with the solution.
Curated OER
Z-Scores related to Psychology
In this z-score worksheet, students identify the z-scores and percentiles corresponding to thirteen values. Students are also asked to find two probabilities. Worked solutions are provided after each question.
Curated OER
Ten Cards Game
In this cards game, students play a card game in three rounds. In the first round, the student's objective is to gather the largest sum of cards. For round two, students try to gather cards to equal a sum of 50. In the third round,...
Curated OER
Valentine's Day Chocolates Mystery: Sums to 198 (B)
Students add double digit numbers to other two digit numbers. Each answer over 97 stands for a chocolate candy in the box. Students solve the problems to determine the number of chocolates in the candy box.