Interactive
Curated OER

Standard Measurements

For Students 2nd - 6th
In this math worksheet, students convert standard measurements. Students give the equivalent of the standard measurements. Hints are given if needed.
Worksheet
Curated OER

Time and Seasons

For Students 3rd - 4th
Here is an engaging crossword puzzle which focuses on time and the seasons of the year. Learners determine the answers to 17 clues using words that are associated with time and seasons. They complete sentences about months, holidays,...
Worksheet
Curated OER

The Calendar Cube Problem

For Students 7th - 12th
In this calendar cube problem, students use cubes to spell months and digits of the year.  They use five cubes to display 366 days correctly.  This one-page instructional activity contains 1 problem.  The answer is found...
Interactive
Curated OER

Float and Sink

For Students 8th
In this float or sink worksheet, 8th graders solve 1 science/math puzzle about displacement of water; the answer is available online.
Assessment
1
1
Balanced Assessment

Birthday Card

For Students 9th - 12th Standards
Add a twist to the practice of simplifying expressions. The task asks scholars to decode a mathematical puzzle using their knowledge of expressions. If they are able to write and simplify the expression, the mathematics behind the puzzle...
Interactive
Curated OER

Birth Month Number Game

For Students 10th - Higher Ed
For this number game, students use algebra to prove why when starting with the number of  birth month, followed by some calculations, one can correctly calculate the year you were born and your age.
Worksheet
Curated OER

The Grandchildren Problem

For Students 8th - 11th
In this grandchildren problem, students read facts about grandchildren.  They use logical reasoning to determine the birthday of four grandchildren.  Students predict the date of the fifth grandchild's birth.  This...
Interactive
Curated OER

Links to algorithms for computing the date on which Easter falls

For Students 7th - 9th
In this algorithms worksheet, students are provided with links to three different algorithms used to compute the date on which Easter falls for a particular year.  One link requires the students to do the computations, while the...
Lesson Plan
Curated OER

Tantalizing Tangrams

For Teachers 4th - 5th
Students create puzzles of animals based on the 12-animals cycle of the Lunar Calendar. They use logical or spatial relationship skills. Students comprehend the mathematical term geometry. They research the history, beliefs of the...
Lesson Plan
Curated OER

Sudoku Puzzle

For Teachers 4th - 10th
Learners complete a Sudoku puzzle using their math skills. After listening to the rules of Sudoku and observing a demonstration, students use the process of elimination and other methods to complete puzzles. They explore how the...
Worksheet
Curated OER

Math Aptitude Test

For Students 6th - 8th
In this math aptitude test worksheet, students answer 36 questions.  Students answer questions about days in the year, area of fenced yard, weight, etc.
Organizer
Curated OER

The Family Tree

For Students 3rd - 5th
In this patterns practice worksheet, students read a 3-paragraph excerpt regarding a family tree and respond to 1 graphic organizer question and 1 short answer question.
Worksheet
Curated OER

Magic Square

For Students 5th - 10th
In this magic square worksheet, learners put the number 1 through 9 into the magic square so that each row, column, and diagonal add up to the same number. Students complete 1 square.
Worksheet
Curated OER

Make It True

For Students 5th - 8th
In this operations worksheet, students solve a word problem involving the math operations in order. Students complete 1 complicated higher order thinking problem.
Lesson Plan
Curated OER

Fraction Message

For Teachers 4th - 5th
Students practice identifying fractional parts represented in pictures and phrases. In this fraction activity, students determine the proportion represented by common time and money phrases such as "3 hours in a day". Students match...
Worksheet
Curated OER

General MacArthur's Favorite Number Game

For Students 9th - 11th
In this secondary mathematics worksheet, students examine the algebra behind the solution of General MacArthur’s favorite mathematics trick. The one page worksheet contains one problem with the solution.   
Interactive
Curated OER

Adding and Subtracting Time

For Students 6th - 8th
In this online math worksheet, students practice adding and subtracting aspects of time. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties. A terrific teaching tool!
Interactive
Curated OER

Multiplying and Dividing Time

For Students 6th - 8th
In this online math worksheet, students practice their skills regarding multiplying and dividing measures of time. This excellent resource allows the students to check their answers, and to get "hints" should they run into difficulties....
Lesson Plan
Curated OER

Creating a Mathematical Model Using Weather Data

For Teachers 8th - 11th
Students explore the concept of mathematical models. In this mathematical model lesson, students create a mathematical model from data from 4 cities over 15 months. Students are told they are working for a weather station. Students...
Activity
Ministry of Education and Employment of Spain

Red Escolar: Problemas De Holmes 2002

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Problemas De Holmes 2006

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Problemas De Holmes 2003

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.
Activity
Instituto Latinoamericano de la Comunicacion Educativa

Red Escolar: Problemas De Holmes 2004

For Students 3rd - 5th
In Spanish. Practice your mental math skills with this site. You will find different activities for every month of the year. Different levels of difficulty and suggested time limit for each activity are also provided.