Curated OER
Place Value Mystery Numbers
For this math worksheet, students read and solve 4 story problems in which they figure out the mystery number. The clues tell students about how digits are placed. Students write the mystery number as the answer.
Curated OER
Valentine's Day Chocolates Mystery- Sums to 198 (D)
You can find love anywhere, even in a math worksheet! Second graders solve 27 problems in which they add 2 digit numbers to 2 digit numbers with and without carrying. When they are finished, they use their answers to solve a...
Curated OER
Logic Problems
Using the number attributes they have learned, math detectives uncover the mystery number in each of these logic problems. For the three problems they examine the clues and sets of numbers, using key vocabulary such as greater than,...
Math Solutions
Race to 20
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When students finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
World Mysteries
Pascal’s Triangle and Sierpinski Triangle
Your learners will enjoy this one-page, color-coded poster containing Pascal's triangle and its connection to Sierpinski's triangle. By coloring odd numbers orange and even numbers green on Pascal's triangle a pattern evolves,...
Education Development Center
Integer Combinations—Postage Stamps Problem (MS Version)
Number patterns can seem mysterious. Help your learners unravel these mysteries as they complete an intriguing task. Through examination, collaborative groups determine that they are able to produce all integers above a certain...
Curated OER
In and Out Function
Third graders examine how to solve in and out function problems, or mystery numbers. They analyze a variety of mystery number problems together and extend the patterns. Students then independently complete a Mystery Number activity...
Curated OER
The Fibonacci Sequence Through Art Lessons
It is easy to combine math and arts lessons to create motivating and interesting activities.
World Wildlife Fund
Arctic Take 6
The magic number is six! Using a 6x table, young math stars practice adding, subtracting, multiplying, and dividing two-digit numbers with the number six. This worksheet also touches on making tessellations with hexagons.
Didax
Pi Day #1a – Discovering Pi
Unravel the mystery behind the infamous number pi. Scholars complete a series of activities that explores where pi comes from, its digits and estimation strategies. Pupils should be ready to measure, calculate, and look for patterns to...
Curated OER
Math Maven Fractions
Students solve fraction mysteries. For this fractions lesson, students read Math Maven's Mysteries and use problem-solving and critical thinking skills to solve the mysteries.
BBC
The Cream Cake Mystery - Seeing Patterns
A great language arts lesson designed for emerging readers awaits your class. Rhyming words are the focus. Learners play an interactive learning game on the computer that helps them to understand words that rhyme. As with all of these...
Curated OER
The Missing Monkey Mystery
Second graders explore number values by completing number sentences. For this math functions lesson, 2nd graders identify whole numbers by using a visual aide and practice filling in the blank in number sentences. Students utilize their...
Curated OER
Math Maven's Mysteries
In these math word problem worksheets, students help solve the mystery about 'The Case of the Phantom Number Cruncher.' Students determine which function the Phantom is using to change all the numbers in town.
Curated OER
Math Maven's Mysteries
In these math word problem worksheets, students help solve the mystery about 'The Cool Calculator Caper.' Students use the formula to find what time the evil wrongdoer will arrive in Point Logos.
Curated OER
Even and Odd Numbers
In this even and odd number worksheet, learners complete word problems where they find different even or odd numbers. Students complete 10 multiple choice problems.
Curated OER
Solving Math Problems In the Real World
Upper elementary and middles schoolers discuss and solve real world applications of math. They use formulas for volume and percents to answer real world questions. In the second part of the lesson, groups write and solve word problems....
Houghton Mifflin Harcourt
Challenge: Code Breaker
Here is a code-breaker multiplication and division game which has learners find the missing letter in equations, then solve and use those letters to "break the code," which actually is the answer to a riddle. Make math fun with a...
Penguin Books
Educator's Guide: The Da Vinci Code by Dan Brown
Dan Brown's The Da Vinci Code is filled with secrets. Help readers find the clues, solve the riddles and puzzles, and unwrap the mysteries with a six-page guide that includes before, during, and after reading discussion questions and...
Curated OER
Divisibility Rules
Sixth graders strengthen their knowledge of the divisibility rules. Students access that mental math can be faster than the calculator for certain types of problems.
Students can make generalizations and discover patterns in finding the...
Curated OER
Valentine's Day Chocolates Mystery: Sums to 198 (A)
For some Valentine's Day math fun, students solve a puzzle to find how many chocolates are in the candy box. Students add two digit numbers to other two digit numbers, and each answer over 98 represents a candy in the Valentine's candy box.
Curated OER
Number-Line Squeeze
First graders investigate numerals and size by ranking different numbers based upon value. For this number sense lesson, 1st graders practice using the terms smaller, larger, less and more in order to organize numbers on a number line....
Curated OER
"The Case of the Pilfered Pizza"
In this problem solving activity, students read a 2 page math mystery involving pizza. Students use their mathematical skills to solve the mystery of finding out who was the pizza thief.
Curated OER
Fractions IV - Equivalent Fractions by Monica Yuskaitis
Comparing equivalent fractions is one of the most difficult math concepts to teach to youngsters. How can numbers that look so different actually represent the same thing? This presentation takes a lot of the mystery out of equivalent...