Sophia Learning
Sophia: Period Trends: Ionic Size: Lesson 3
This lesson will explain how the ionic radius changes over representative elements across rows and up and down columns on the periodic table. It is 3 of 3 in the series titled "Period Trends: Ionic Size."
Math Is Fun
Math Is Fun: Multiply Blocks
An array of chocolate squares is pictured and students must multiply the number of rows by the number of columns and click on the product in the table shown.
Khan Academy
Khan Academy: Count Objects 1
Practice counting up to 20 objects. Objects are organized neatly into rows and columns. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Pedago Net: Word Search Builder
Facilitates creation of word-search puzzles. Flexible format provides for 10 to 100 rows and 10 to 100 columns. Features 15 languages!
Illustrative Mathematics
Illustrative Mathematics: Shape Sequence Search
This activity tests the student's understanding of patterns. The teacher will read a pattern and the student will find the row or column that contains each sequence. Example included.
BBC
Bbc: Ks1 Bitesize: How to Use Simple Data Tables
Explains how to read information from a simple golf scoring table. Students then label the rows and columns in a 2x3 table. [0:26]
Alabama Learning Exchange
Alex: Creating a Payroll Spreadsheet
Spreadsheet software allows you to calculate numbers arranged in rows and columns for specific financial tasks. This activity allows learners to create an "Employee Work/Pay Schedule" spreadsheet to reinforce spreadsheet skills. Students...
Other
Nearpod: Partitioning Rectangles
In this instructional activity on partitioning rectangles, 2nd graders learn key vocabulary, explore drawing rows and columns of same-size squares, and apply their learning to a real-world scenario.
Other
Function X: Microsoft Excel Tutorial
This site offers tutorials and examples on how to use Microsoft Excel applications and experiment with it.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Foundations of Multiplication and Division
A guide to support parents as they work with their students in the foundations of multiplication and division.
PBS
Pbs Learning Media: Math + Arts: Geometric Quilts
In this instructional activity, students will create a class quilt of nine patch paper quilt blocks using geometry.
Other
The Stoa Consortium: The Library of Hadrian
The Library of Hadrian is located on the north side of the Acropolis, immediately north of the Roman Agora. The complex was built by the Roman emperor Hadrian in 131/2 A.D. It was visited by Pausanias (1.18.9) who provides a brief...
University of South Florida
Fcat Express: Semantic Feature Analysis Worksheet [Pdf]
This is a worksheet in a pdf format on Semantic Feature Analysis. The worksheet, or matrix, is divided into boxes in three rows with four columns across.
Other
Allmath.com: Magic Squares Game
Magic squares have been a fascinating topic in mathematics for centuries. They are formed by filling in all the squares with the numbers starting from one so that the sum of all rows, columns, and diagonals is the same. Instructions are...
Sophia Learning
Sophia: Periodic Table: Lesson 2
Explain how elements on the periodic table are arranged, and explain the relationships within each row and column. This lesson is 2 of 4 in the series titled "Periodic Table."
Sophia Learning
Sophia: Periodic Trends: Atomic Radius: Lesson 1
This lesson will explain how the atomic radius changes over representative elements across rows and up and down columns on the periodic table. It is 1 of 3 in the series titled "Periodic Trends: Atomic Radius."
Sophia Learning
Sophia: Period Trends: Ionic Size: Lesson 1
This lesson will explain how the ionic radius changes over representative elements across rows and up and down columns on the periodic table. It is 1 of 3 in the series titled "Period Trends: Ionic Size."
Sophia Learning
Sophia: Periodic Trends: Electron Affinity: Lesson 3
This lesson will explain how the electron affinity changes over representative elements across rows and up and down columns on the periodic table. It is 3 of 3 in the series titled "Periodic Trends: Electron Affinity."
Other
Websudoku
A fun puzzler to get any mind thinking logically! Try many levels of puzzles using the following rules: "Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every 3x3...
University of Cambridge
University of Cambridge: Nrich: Three by Three
Push your problem-solving skills to the limit. Arrange 3 red, 3 blue and 3 yellow counters into a three-by-three square grid, so that there is only one of each color in every row and every column.
University of Cambridge
University of Cambridge: Nrich: What Shape and Color?
Fill in the chart and see which shapes and which colors belong in which rows and columns. The solution is readily available at this one page website.
University of Cambridge
University of Cambridge: Nrich: Magic Squares
In a Magic Square all the rows, columns and diagonals add to the same number. This number is called the Magic Constant. Learn math fundamentals visually and have fun at the same time.
Toy Theater
Toy Theater: Multiplication Chart 1 to 12
Learn multiplication by using this versatile interactive times table grid. Users can find the product of two numbers from 1 through 12, color in rows and columns, and look for patterns throughout the chart.
Purple Math
Purplemath: Introduction to Matrices / Matrix Size
Purplemath gives the fundamentals of matrices. Begins with linear equations of three variables and shows the corresponding matrix. Discusses the augmented and coefficient matrix formed from the equation. The size of a matrix and special...
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