Illustrative Mathematics
Adding Tenths and Hundredths
Learning to add fractions with different denominators presents a big hurdle for many young mathematicians. Simplify the process for learners with this series of practice problems involving the friendly fractions tenths and hundredths....
Curated OER
Multiplication and Division within 100
Nothing out of the ordinary here; young mathematicians complete two multiplication and two division problems with whole-number products and quotients. Because the answer is described below, this would work best as an all-class warm up,...
Curated OER
Roll a Decimal
Third graders take turns rolling the die, and selects an appropriate place to put the digit that was rolled in order to create a number with the largest value possible. They compete by trying to roll the highest valued number with the die.
Common Core, Inc.
Multi-Digit Whole Number Subtraction
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
Curated OER
How Many Cards Do We Need to Display the Dates of the Month?
Pupils complete activities to study the concept of place value notation. In this place value lesson plan, students use cards for the days of the month that only number from 1 to 9. Pupils find a subtraction pattern to determine the...
Curated OER
Understanding number to 100
Students research equivalent representations of numbers using the base 10 system. In this Base 10 lesson, students examine place value, representations of numbers, and multiples of one, ten, and one-hundred.
Curated OER
Grade 3: Make a Hundred
Third graders roll a die seven times, each time determining whether to add that number of tens or that number of ones to try to make a sum as close to 100 as possible without going over.
Broward County Schools
Women's Contributions to the United States
Betsy Ross, Toni Morrison, Sacajawea, Amelia Earhart, Maya Lin, Sally Ride, Judy Baca. No matter the subject area or the grade level you teach you will find much to value in a manual that focuses on the contributions U.S. women have...
Curated OER
Problem Solving - Adding Whole Numbers
In order to practice problem-solving skills, pupils work through a series of word problems. They each determine an answer and then share their thinking process with the class. This lesson demonstrates that there may be more than one way...
Curated OER
Base It
Third graders complete place value charts in the decimal system, the binary and Hexadecimal system. They discuss the contributions made by Ada Lovelace to computer language. They express the idea of place value with exponents.
Curated OER
Ordering Greater Numbers
Third graders identify the place value of greater numbers. In this number sense lesson, 3rd graders use a place value chart to properly write a specific number. Students read the number and use the place value map for reinforcement.
Curated OER
Who Needs Numbers?
Students identify whole numbers through the one millions place. In this place value lesson, students read the book The Day Without Math and use place value mats to create numbers to the millions place. Students use base ten blocks during...
Curated OER
Number and Operations- Largest Number Race
Students participate in a race to compare whole numbers. In this number operations lesson, students create the largest 10-digit number and discuss how they constructed the largest number.
Math Worksheets Land
Add and Subtract within 1000 - Step-by-Step Lesson
Three-digit numbers are the name of the game here! Scholars convert 456 to expanded form, then complete one addition and one subtraction problem. The equations are written vertically, and the addends produce a four-digit number. There is...
Out-of-School Time Resource Center
Nutrition and Physical Activity
Emerging nutritionists explore what it means to be healthy. In the beginning of the unit, your class will examine the five food groups and learn how food gets from the farm to our plates. This leads into the investigation of...
Curated OER
The Places We Love
Students examine how they and others express themselves. Using various writings and art, they discover the places they like to go in the world and share them with their classmates. They paint their favorite place and share their...
Curated OER
Add Hundreds
Learners use the basic facts in 6 word problems to help them add hundreds. They use base ten blocks to model and assist them with their addition.
Curated OER
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. Learners measure the difference in volume between 10...
Curated OER
Which Number is Greater?
Students draw pictures of two digit numbers to identify the greater value. In this math lesson, students plot two digit numbers on a number line and identify the greatest or lesser value. Students use the greater than and less than...
Curated OER
100 More 100 Less
Third graders review the concept of place value and number sense. With a partner, they are given four cards with numbers on them. Using the cards, they practice making new numbers and completing addition and subtraction to find the...
Curated OER
What Can Data Tell Us?
Students explore data distribution. For this data analysis lesson, students create a data distribution table by playing the game "Tower of Hanoi" from the Hall of Science. Students analyze their data and answer data driven questions.
Curated OER
Hands On: Regroup Tens
In this regrouping tens worksheet, students use math models or draw pictures to help them add the numbers within the problem. Students also learn to regroup numbers in the tens value place by completing the six problems.
Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
Computer Science Unplugged
Lightest and Heaviest—Sorting Algorithms
How do computers sort data lists? Using eight unknown weights and a balance scale, groups determine the order of the weights from lightest to heaviest. A second worksheet provides the groups with other methods to order the weights. The...