Curated OER
Marshmallow Geometry
In this three-dimensional shapes geometry lesson plan, learners identify geometric solids and name their properties. They define "face," "edge," and "vertex," and construct geometric solids using marshmallows as vertices and toothpicks...
Curated OER
Subtraction
For this subtraction worksheet, students use a given number square to help answer a set of 10 questions. An answer key and website reference are given.
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Subtraction Practice
For this subtraction worksheet, learners use a grid to complete a set of 10 problems written in sentence form. A reference website for additional resources is given.
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Little Magic Squares
Students and teacher talk about arrays of numbers like the ones in A Square of Circles. They check to see that the rows all have the same sum; that the columns all have the same sum; and that the diagonals have the same sum.
Curated OER
Addition Relay
Third graders, in pairs, use a bag of counters which can be dried beans, squares of papers, etc.
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Shape Makes a Difference!
Young scholars learn the difference between perimeter and area by watching a video and a hands on activity.
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One-Difference Classification Train
Students practice their classification skills through hands-on practice. Working in groups, students identify various ways in which similar items can be classified. Given a kit of similar items, students classify objects in multiples...
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Crossmath Puzzles
In this addition and subtraction activity, students complete four puzzle squares. Students fill in the blanks to get the answers at the right side and at the bottom. Numbers may only be used once in each row or column.
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Add and Subtract Whole Hundreds
In this addition and subtraction worksheet, learners add and subtract whole hundred numbers. Students complete 5 problems on this worksheet.
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One Hundred Things
Learners practice estimating by handling items in groups of ten. They visualize how much space 100 items, such as pennies, peas, or beans, will take up after holding 10 of them. Students measure the difference in volume between 10 and...
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 3
Assess scholars' knowledge with a 22-page assessment that covers place value, patterns, probability, estimation, measurement, geometric figures; and their ability to add, subtract, multiply and divide proficiently.
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Percentages Introduction
In this percentages activity, students color 25% of 100 small squares blue, 35% red and 30% yellow. Students figure out how many squares they have left and then what percent of the 100 squares are left. Students then work out 5 percentages.
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Area and Perimeter of Rectangles
Discover the difference between area and perimeter. Learners are grouped in twos and threes and each group has one advanced/gifted learner to serve as the peer helper. They receive manipulatives to help them determine the area and...
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Building Patterns Constantly
Students are introduced to some number patterns using buildings constructed with squares. They construct tables of patterns and finding the recurrence rule for a simple pattern where the increase from term to term is a constant.
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Fact-O!
Students practice math facts as they play a game of chance and skill. They correctly create and calculate mathematical equations, using the numbers rolled on three dice, and earn points for marking adjacent numbers on the game sheet.
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Math Facts Race
Learners reinforce math-facts knowledge and understanding, contribute to a team effort and carefully observe the actions of all team members by playing a game to practice addition, subtraction, or multiplication facts.
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Addends with Spiffy
Students solve single variable equations. For this missing addend lesson, students solve problems with missing addends. Students create a function box to help study numerical reasoning.
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Subtract in Columns: Regrouping Twice
In this subtraction worksheet, students complete subtraction with regrouping problems where they regroup twice and use columns. Students complete 3 problems total.
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Riddles
In this riddles worksheet, students answer each of four mathematical riddles with one of the words provided from the word bank.
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Max's Math Adventures
In these math riddle worksheets, learners read the math word riddle 'Subtraction Square Dance Sing-Along Jubilee' and use the information to help solve the problems. Students make up their own subtraction verse to add to the song....
Curated OER
Understanding Place Value
In this understanding place value worksheet, students, with a partner, problem solve and calculate the answers to seven place value exercises.
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Probability Plus
Students participate in a variety of activities to understand statistics. They collect and interpret data. Also students distinguish the difference between a population and a sample. They make inferences and create arguments using data.
Pennsylvania Department of Education
Multiplication Using Arrays
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
Curated OER
Volume and Surface Area, A Sweet Activity
Geometry.... sweet! Using sugar cubes, learners build rectangular prisms of different sizes and shapes. They glue them together and assess volume. Then they color the outer sides to visualize and compute surface area. To make a visceral...