Curated OER
A Comparison of Land and Water Temperature
Students use the NASA website's Live Access Server to create a graph of surface temperature at two locations on earth. They analyze the data and then answer specific questions provided in this lesson. They also examine and compare the...
Other
Basket Math Interactive
Explore more than twenty math concepts such a perimeter, rounding, exponents, decimals, sign numbers, and more using this interactive basketball game. A Spanish version is also offered. Students results are tabulated daily.
PBS
Pbs Kids Afterschool Adventure!: Operation: Shape It Up Activity Plan
Get your spy glasses ready! For this weeklong adventure, children will explore shapes and their attributes and use this knowledge to decode a secret message. Children will learn about two-dimensional (flat) and three-dimensional (solid)...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: The Meaning of Decimals
This website from The Math Page explains and defines decimals.
Illustrative Mathematics
Illustrative Mathematics: Using Operations and Parentheses
The purpose of this task is to give students a chance to work creatively with three of the four fundamental arithmetic operations (addition, subtraction, and multiplication). It is well suited for helping students develop fluency with...
Scholastic
Scholastic Math Maven's Mysteries: The Mystery of Pirate Ringold's Lost Treasure
In this Math Maven mystery, read the legend of Pirate Ringold and his treasure and help Frieda Finditall figure out how much gold there is left to find on this old ship. Your knowledge about addition and subtraction with fractions will...
AAA Math
Aaa Math: Adding Three Digit Numbers
Read through this explanation of how to add three digit numbers. Use the online game to practice this skill. The game will keep running totals of your correct and incorrect answers. It will also show you a percent score of the correct...
AAA Math
Aaa Math: Adding Two Digit Numbers Mentally
Read these two strategies for adding two-digit numbers in your head. Then try out the one you like better by playing the game. Running totals of your correct and incorrect answers as well as a percent score of your correct answers will...
Student Achievement Partners
Illustrative Mathematics: Addition and Subtraction Fluency Set of Tasks [Pdf]
Students explore the relationship between addition and subtraction and develop an understanding of decomposing numbers in different ways in this first-grade lesson plan.
Better Lesson
Better Lesson: Target Number Game
Playing a game for the order of operations engages students in math fact review and builds fluency.
AAA Math
Aaa Math: Place Value Expanded Form
You'll find an explanation of place value in expanded form in this lesson. There is also an interesting game that helps to show place value.
AAA Math
Aaa Math: Rounding to the Nearest Hundredth
This site explains how to round decimals to the nearest hundredth. This site provides games to practice this skill.
Khan Academy
Khan Academy: Compare Decimals Challenge
Practice decimal comparison problems that stretch your place value understanding. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Order Decimals
Order 3 decimals with digits up to the thousandths from least to greatest. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Illustrative Mathematics
Illustrative Mathematics: Words to Expressions 1
This problem allows students to see words that can describe the expression from part (c) of "5.OA Watch out for Parentheses." Additionally, the words (add, sum) and (product, multiply) are all strategically used so that the student can...