Serendip
How Mistakes in Cell Division Can Result in down Syndrome and Miscarriages
Some genetic conditions occur without being inherited. The distinction becomes the focus of the lesson. It details the process of cell division that results in trisomy on various chromosomes. A worksheet highlights the results including...
Curated OER
Division Measurement
This presentation introduces division as a form of measurement. Learners measure out equal groups to show how a number is divided. There are three example problems that explain how a person can measure to divide. An interesting way to...
Curated OER
Complete the Fact Family - Multiplication and Division
Learners use their math skills to fill in the blanks in in 10 problems in order to solve the multiplication and division fact families.
Curated OER
Solve Word Problems of Equal Share
Youngsters solve division word problems. They will make their own division word problems using objects in equal groups. They share how they solved their problem with the class. Division worksheets are included to support the process....
Curated OER
Converting Fractions to Decimals
These fractions need to be converted to decimals, but no calculator is needed. Scholars examine two examples which explain the process briefly before completing 16 fractions with denominators of either 10 or 100. For the next section...
Curated OER
Finding Percentages
Here is an approach to calculating percent with 16 practice problems to solidify the skill. Two examples demonstrate dividing by 100 to get one percent and then multiplying by the percentage in question to get the solution. Learners find...
DK Publishing
Number Riddles - Word Problems
Although this set of 16 word problems aren't the most riveting, they give clear practice opportunities for learners to solve missing factor and dividend problems. Each scenario is only a sentence or two, and some don't even involve...
Curated OER
Multiplying by 10 and 100
Work on multiplication and division with your fifth graders. They practice multiplying and dividing by 10s and 100s in four sections of problems, all written in varying formats. A great way to reinforce your math lesson!
Curated OER
Whole Numbers, Fractions, and Decimals
Elementary and middle schoolers participate in an assignment to explore the concept of division and having a remainder. They also practice division problems using decimals and fractions without a remainder.
Curated OER
Family Letter
Middle schoolers, working with their parents, calculate and complete five word problems associated with multiplying and dividing decimals. Students research the current Federal minimum wage at the library or on the Internet.
Curated OER
Fractions Forever!
Middle schoolers identify proper, improper fractions, and mixed numbers. They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as decimal...
Curated OER
Mixed Tables
How many pennies does each person get? There are four visual division problems for young mathematicians to solve, and they divide 12 pennies among a set of people for each. They draw the coins above each recipient and then write the...
DK Publishing
Real-Life Word Problems, Part 2
Are you looking for word problems to fit into your Common Core math lesson? Use this resource to assess your third graders' problem-solving skills. They read 14 word problems involving multiplication and division, and write the answers...
Illustrative Mathematics
Cup of Rice
Dividing with fractions is not a favorite task, so provide your learners with a visual understanding. The activity breaks a simple division problem into something they can comprehend. Use this method for future problems with fractions.
Curated OER
Using the Divisibility Rules
In this math instructional activity, students solve twenty division problems. After solving each problem, students state the divisibility rule which proves each answer. Divisibility rules for 2, 3, 4, 5, 6, 9, and 10 are assessed.
Curated OER
Powers of Ten
In this powers of ten instructional activity, 5th graders multiply and divide decimals by multiples of ten. They mentally solve simple problems containing powers of ten. This two-page instructional activity contains 10 problems.
Curated OER
Signed Numbers
Sixth and seventh graders solve and complete 8 different types of problems. First, they multiply and divide by signed numbers. Then, they rewrite any division as multiplication by the reciprocal. Pupils also work out the absolute value...
Curated OER
The Remainder Theorem
In this algebra learning exercise provides extra practice on using the Remainder Theorem to find a factor of a higher degree polynomial. It provides a good review of synthetic division. There are 22 problems with an answer key.
Curated OER
Write Zeroes in the Dividend
Here is a fine presentation on the finer points of solving a long division problem. Mathematicians are introduced to the divisor, the quotient, and the dividend. They are shown the series of steps necessary to solve these types of...
Curated OER
Estimating Quotients
Put down those calculators! Show scholars they can solve division problems mentally using rounding strategies. They divide four-digit dividends by one-digit divisors, competing 26 problems in all. The first eight have some scaffolding...
Curated OER
One-Digit Divisors
Young mathematicians problem solve 12 division math problems involving one-digit divisors and remainders. They put their answers on the lines provided.
Math 4 Children
Who Wants to Be a Champion? 3rd Grade Division Jeopardy
Break up the math review monotony with this fun Jeopardy-style game. Third graders will be asked to divide two-digit numbers by single digits. There are 22 slides full of division fun. This would be an appropriate support to the Common...
Curated OER
Mitosis and Cancer - Biology Teaching Thesis
Observe onion root cells undergoing mitosis underneath a light microscope and determine the phase of mitosis the cells are in. High schoolers draw a sketch of the mitotic cells, explore why cells undergo mitosis and learn how...
Math Worksheet Center
Independent Practice 2: Double Digit Long Division
Twelve division problems are presented for youngsters to practice with. All of them require the division of a four- or five-digit dividend by a two-digit divisor. Some will have remainders. There is probably not enough room for math...