Worksheet
Math Salamanders Ltd.

Multiplication Tables to 10 x 10 Sheet 3

For Students 3rd - 4th Standards
A straightforward worksheet asks mathematicians to fill the blanks in 30 multiplication problems. In some cases, a factor is missing from the sentence, and in others, the product is missing. This would be an ideal assessment after...
Worksheet
Curated OER

Math Word Problems

For Students 3rd - 4th
In this solving story problems instructional activity, students multiply, add, subtract, fill in numbers before and after, find elapsed time, and count value of coins. Students solve 10 problems.
Worksheet
Curated OER

Exponents Worksheet

For Students 7th - 9th
Learners answers to 10 multiplication problems with same base and an exponent. They solve 10 exponent raised to an exponent problems. Students simplify six problems with a combination of the prior two types. Learners determine the...
Worksheet
Curated OER

Proving Quadrilaterals

For Students 10th
In this geometry worksheet, 10th graders identify the missing angles using the polygons sum conjecture. They measure exterior and interior angles using their angle theorems. There are 63 problems.
Lesson Plan
Curated OER

Patterns and Sequences

For Teachers 9th
Ninth graders examine sequential number patterns and the Fibonacci sequence. Given number patterns, they determine the next number in a sequence. Students develop their own number patterns and exchange them with another to be solved.
Worksheet
Curated OER

Holiday Math Mystery

For Students 1st - 2nd
For this Christmas math worksheet, students fill in each tree with the missing number to complete the addition problems. Students then use the missing numbers to find the secret message about Christmas.
Worksheet
Curated OER

Connect the Dots and Write: Numbers

For Students K - 3rd
In this number-related words connect the dots and write activity, students trace 11 number-related words 2 times each. Students match the 15 words to the pictures of the appropriate words.
Worksheet
Curated OER

Place Values

For Students 2nd - 4th
In this place value worksheet, learners learn how to break down a larger number into individual place values. For example, 4753 = 4000 + 700 + 50 + 3. The worksheet contains 6 equations like the example provided, but one of the place...
Interactive
Curated OER

Law of Cosines

For Students 9th - 12th
In this cosine worksheet, students will find the length of the third side of a triangle given the length of the other two side. Students will use the Law of Cosines to find the length of the missing side. Answers will be rounded to 3...
Lesson Plan
Curated OER

Telling the Time

For Teachers 1st - 3rd
Students practice telling time by completing the various activities. In this telling time instructional activity, students view a large clock and discuss the words 'to' and 'past' the hour. Students count in 5s using the clock and then...
Lesson Plan
Curated OER

Missing 10

For Teachers K - 1st
In this math worksheet, students solve the problems by looking for the next numbers in the sequence using the skill of counting with whole numbers.
Worksheet
Curated OER

Biblical Arithmetic

For Students 9th - 12th
In this secondary mathematics worksheet, students solve a Biblical riddle where they fill in the missing words for each of the numbers listed.  The one page worksheet contains one problem.  Solution is provided. 
Lesson Plan
Curated OER

Reader's Rabbit Math

For Teachers K - 3rd
Learners are able to use the Fishing for Numbers game in Reader Rabbit's Math. They are able to select two addends that sum to the given number between 1 and 12. Students work in pairs and go to the computer stations and complete at...
Worksheet
Curated OER

Ho!Ho!Ho!

For Students 10th - 11th
In this algebra worksheet, students find the missing words in the sentence. They are given the H and O, but must come up with the rest of the words based on the clues given. It is a fun assignment with 12 simple questions.
Worksheet
Curated OER

Whole Number Order of Operations Practice

For Students 6th - 8th
In this middle school mathematics worksheet, students use the order of operations to simplify numeric expressions that are composed of whole numbers.  The one page worksheet contains seven problems.  Answers are...
Worksheet
Curated OER

Metric Units of Mass: Practice

For Students 3rd - 6th
In this metric unit worksheet, students compare metric units, finding missing numbers, then choose the best unit for measuring given items. Students then estimate. Houghton Mifflin text is referenced.
Worksheet
Math Salamanders Ltd.

Place Value - Tenths Sheet 5

For Students 5th - 8th Standards
In this place-value instructional activity, students add whole numbers to numbers that have decimals in the tenths place. Students complete 40 problems—half of these problems, they fill in missing addends.
Lesson Plan
Curated OER

Organic Chemistry II-Exam Answer Key

For Teachers Higher Ed
In this organic chemistry worksheet, students solve 10 multiple choice problems about organic reactions, they write the molecular structures for the products of 20 reactions, they answer 10 short answer questions about specific groups of...
Interactive
Curated OER

Addition

For Students 1st - 2nd
In this addition instructional activity, learners use the number line to help them find the missing numbers to complete the single and double digit addition facts. Students solve 23 problems.
Worksheet
Curated OER

Number Chart 16: Skip Counting By 7

For Students 3rd - 5th
In this skip counting worksheet, students fill in the numbers to complete a pattern of skip counting by 7. Students begin with the number 7 and write the numbers as they skip count to 300.
Organizer
Curated OER

Counting Using a Hundreds Chart

For Students K - 2nd
For this hundreds chart counting learning exercise, learners count from given numbers to 100, filling in missing numbers in sets of hundreds charts. A completed and a blank chart are included at the end of the learning exercise set. A...
Worksheet
Curated OER

Pascal's Penguins

For Students 3rd - 4th
In this Pascal's Triangle activity, students find missing numbers in a pattern of "triangle penguins." Worksheet has 2 different missing number patterns to solve, each on a different page.
Worksheet
EdHelper

Simple Subtraction Practice

For Students 1st - 2nd
For this subtraction worksheet, students solve a total of 62 subtraction problems; some problems are vertical, some horizontal, some have missing numbers and 4 are word problems. Worksheet is part of a subscription site with links and is...
Worksheet
Curated OER

Counting from 1-20

For Students K - 1st
In this counting learning exercise, students fill in missing numbers in a chart, working in ascending order. The numbers 1-20 are shown at the top of the page. A reference website is given for additional resources.