Curated OER
Counting Area
For this math worksheet, students find the area of shapes by counting the number of grid paper squares inside each shape. This is a worksheet generator, the teacher controls the complexity of the shapes as well as the grid size. Answers...
Curated OER
Beans and Baleen
Predict whale populations using different beans as whales! Learners observe different types of beans in a dish knowing that each bean represents a different kind of whale. They then predict how many "whales" there are in a certain area....
Curated OER
Mystery Jars
Youngsters discover ways to estimate. They will use two jars with large and small items and estimate the number of items. Then record their estimate and explain why they answered the way they did. They try this experiment with different...
Curated OER
How many seeds?
Students investigate seeds and find the difference between seeds and nuts. In this seeds and nuts lesson, students predict, then count the number of seeds in an apple. Students record and share their results. Students compare seeds to...
Curated OER
200 Years and Counting: How the U.S. Census Tracks Social Trends
Students examine the process of census taking in the United States. In this "200 Years and Counting" activity, students examine the data collection process, look at an example of a census form, analyze data, and learn what the...
Curated OER
Number TIC TAC TOE
Working in pairs, young mathematicians will practice number identification with a game of tic-tac-toe. Supplies needed: two 3x3 grids with numbers 1-9 in random order, and two different colored crayons. Player 1 will choose and read a...
Freecloud Design
Mathmateer
Three, two, one...liftoff! Elevate math skills to new heights while having a blast. A great resource that combines entertainment and education for children of all ages.
Under the Dome
Penny Cube
Use volume to count your change. Pupils watch as a cube is filled with stacks of pennies and make an estimate on how many pennies are in the cube. The teacher provides additional information to the class members about the size of the...
College Board
Reading—Central Idea and Evidence
Young readers become experts at finding the central idea in informational text with an educational resource. The resource includes helpful tips to annotating close passages to succeed on the actual SAT exam, as well as strategies to make...
Illustrative Mathematics
Assessing Writing Numbers
Can I say a number by its name, and can you write it for me? Working in small groups or with the whole class, give your kindergartners a piece of 1-inch graph paper and have them write numbers 0 to 10 and 11 to 20. Next, pass out blank...
101 Questions
Styrofoam Cups
How many cups does it take to reach the top? Learners attempt to answer this through a series of questions. They collect dimension information and apply it to creating a function. The lesson encourages various solution methods and...
Curated OER
How Much Is On The Floor?
Students estimate the number of items in a group. In this estimation lesson, students are presented with random objects to clean up. Students estimate how many items are present and then compare the actual number of items to their...
Curated OER
How Many Noses Are in Your Arm?
Middle schoolers apply concept of ratio and proportion to determine length of Statue of Liberty's torch-bearing arm. They view video of Statue of Liberty, determine how long statue's arm would be if its nose measures four feet six...
NASA
Next Generation Spacecraft—Orion
What is the cross-sectional area of the Orion spacecraft? Groups work together to estimate the area of a cross section of the Orion spacecraft by first counting the number of grids a scale drawing covers. Pupils also employ a method...
University of Minnesota
Memory Box
Teachers encourage using memory tricks, but do they actually work? Scholars test word association in a short yet engaging activity. They use 10 seconds to memorize as many items as possible and determine if they are more successful if...
101 Questions
Laying Sod
Lay out a firm understanding of trigonometry. Scholars watch a video recording of a worker laying sod on a lawn. Given the dimensions of each piece of sod and the lawn, they determine how many pieces of sod are necessary. Trigonometry...
Curated OER
Ten, Nine, Eight
Students engage in the reading of several stories that focus upon number identification and counting. They read the story together as a class and focus upon identifying the correct number on each page. Then students should practice...
Curated OER
Get Ready, Get Set, Squeeze!
Young scholars explore coin value and count coin combinations. In this money counting and social studies lesson, students read The Coin Counting Book by Rozanne Lanczak Williams and practice counting money and making change for a...
Curated OER
Seeing Numbers In Tens And Ones
Second graders develop the skill of place values up to the tens place. They practice identifying the values of 2 digit numbers and writing the correlating values with counting. They use the example of money to make the lesson more...
Curated OER
Weaving a Story
It's time to investigate patterns! First and second graders construct a paper weaving using a hundreds chart, then use the Ti-10 calculator to make patterns such as adding 3 each time. Learners remove multiples of three from the hundreds...
Curated OER
Pumpkin Problems
Students participate in a lesson that has the intention of working on estimation skills. They use pumpkins to estimate the number of seeds are inside. They collect data for each pumpkin and compare it to the estimation. Students question...
K5 Learning
Multiplication Word Problems #3
How many people can ride a Ferris wheel with 14 seats, each of which holds 6 people? Learners assess this and four other multiplication word problems, and are encouraged to show their work. They use double- and triple-digit numbers, and...
Curated OER
Understanding 10: Backwards and Forwards
Help your young mathematicians completely master 10 by practicing one-to-one correspondence, number recognition, and recording numbers displayed. They make 10 with groups of two-different colored cubes and color in 10-frames to show how...
Curated OER
Guess How Many: Estimation Practice
In this estimation worksheet, students estimate the number of stars in a picture, explain how they estimated and count the actual stars. Students then draw their own picture and have a classmate estimate stars.