Lesson Plan
Curated OER

Mystery Operations: Math, Patterns, Logic

For Teachers 7th - 12th
In this activity the computer/teacher makes up a mystery operation, and you have to figure out what the operation is. You give the computer/teacher two numbers to calculate, and it tells you the answer. This is your first piece of...
Worksheet
Curated OER

Using Bar Graphs

For Students 2nd - 4th Standards
What's your favorite pizza topping? Scholars analyze two bar graphs, one depicting a math club's favorite pizza toppings and the other ice cream sales per flavor. As they examine the graphs, learners answer a few comprehension questions....
Lesson Plan
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Illustrative Mathematics

What Shape Am I?

For Teachers 3rd - 5th Standards
Sharpen your pencil and grab a ruler, it's time to draw some quadrilaterals! Given the definition of a parallelogram, rectangle, and rhombus, learners draw examples and nonexamples of each figure. The three definitions are...
Worksheet
Granite School District

Types of Ratios

For Students 4th - 6th Standards
Ratios can be written in a number of ways including whole to part, part to part, part to whole. For each problem, young mathematicians write the given ratio and classify it based on those categories. 
Worksheet
Curated OER

Riddles (Math Puzzles)

For Students 5th - 6th
In this math worksheet, students solve 4 math riddles in which the mystery number is determined. Students analyze the clues and name the mystery number.
Lesson Plan
Curated OER

Giant Mystery

For Teachers 3rd
Third graders determine the relationship between hand size and body size using centimeters as the unit of measure, They use the relationship to find the size of a hypothetical giant. They graph the measurements using a spreadsheet program.
Lesson Plan
Curated OER

Decoding a Mystery Message from Space

For Teachers 3rd - 6th
Students examine a message sent from outer space and do their best to interpret its meaning. For this problem solving lesson, students investigate a code sent to them from "outer space." The students collaborate with their classmates to...
Worksheet
Curated OER

Halloween Addition Mystery Message

For Students K - 2nd
In this Halloween-themed worksheet, students solve 14 problems that require them to add 1-digit numbers to 1-digit numbers. Students use their answers and the code box to reveal a mystery message.
Worksheet
Curated OER

Christmas Addition Mystery Message

For Students K - 1st
In this Christmas-themed worksheet, students solve 14 problems that require them to add 1-digit numbers to 1-digit numbers. Students use their answers and the code box to reveal a mystery message.
Worksheet
Curated OER

Christmas Addition Mystery Message 2

For Students 1st - 2nd
In this Christmas-themed worksheet, students solve 44 problems that require them to add 1-digit numbers to 1-digit numbers. Students use their answers and the code box to reveal a mystery message.
Worksheet
Curated OER

Christmas Addition Mystery Message 3

For Students K - 1st
In this Christmas-themed worksheet, students solve 14 problems that require them to add 1-digit numbers to 1-digit numbers. Students use their answers and the code box to reveal a mystery message.
Worksheet
Curated OER

Thanksgiving Addition Mystery Message

For Students 1st - 2nd
For this Thanksgiving-themed worksheet, students solve 17 problems that require them to add 1-digit numbers to 1-digit numbers. Students use their answers and the code box to reveal a mystery message.
Worksheet
Curated OER

Thanksgiving Addition Mystery Message 2

For Students 1st - 2nd
In this Thanksgiving-themed worksheet, students solve 17 problems that require them to add 1-digit numbers to 1-digit numbers. Students use their answers and the code box to reveal a mystery message.
Worksheet
Curated OER

Christmas Math Message

For Students 1st - 2nd
In this subtraction practice worksheet, students solve 14 problems that require them to subtract 1-digit numbers from 1-digit numbers. Students use the answers to find out what the mystery message is.
Worksheet
Curated OER

Fourth of July Addition and Subtraction

For Students 2nd - 3rd
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...
Worksheet
Curated OER

Split a Factor

For Students 2nd - 4th
Take the mystery out of multiplicaton with worksheets like this one. Learners find a mental math strategy for more difficult equations by splitting a factor, multiplying out the terms, and adding the products. An example explains this...
Interactive
PHET

Function Builder

For Students 8th - 12th Standards
Build confidence about functions with the function builder. Pupils learn about functions and transformations using an interactive. A function machine transforms pictures, numbers, and equations based on a function rule. A mystery...
Lesson Plan
Curated OER

Secret Agent Stan

For Teachers 3rd - 8th
Young scholars use a worksheet imbedded in this lesson that goes along with a detective story to give them practice calculating money.
Worksheet
Curated OER

Math Review

For Students 8th - 10th
In this algebra worksheet, students review least common multiples and word problems. There are 10 interactive questions with an answer key.
Lesson Plan
Curated OER

And the Number Is (Second Grade)

For Teachers 2nd
Second graders create Mystery Numbers. They give the class clues about the name, value, and multiples of the digits which make up the number.
Worksheet
Curated OER

Number Manipulation

For Students 8th - 9th
In this number manipulation worksheet, students solve 4 different types of problems that include number manipulation. First, they use division, multiplication, addition, or subtraction to make each set of numbers into equations which...
Lesson Plan
Curated OER

Two-Digit Quotients

For Teachers 6th
In this mathematics worksheet, 6th graders find the quotient for each problem. They estimate first and identifying which number they will use. Then, students divide the problem and multiply to check.
Lesson Plan
Curated OER

Calculator Numbers

For Teachers 3rd
Third graders practice working out a hidden number on a calculator via number sequence in the advanced additive stage six. They assess number sequence to unveil a mystery number that has been entered onto a calculator and then switch...
Worksheet
Curated OER

Math Maven's Mysteries: Race Against Captain Devious

For Students 6th - 7th
In these math word problem worksheets, students help solve the mystery about the 'Race Against Captain Devious.' Students must solve the distance travel word problem using kilometers and rounding their answers to the nearest whole number.