Curated OER
Sequencing and Counting on
This series of slides gives learners an opportunity to count on by 10's in number sequences then discuss how to apply counting on to addition and subtraction problems. Learners count on and back by 1's, 10's, and 100's.
Curated OER
Early Mental Math: Practice
Pupils start from a given number and count forward by 1s, 2s, and 10s. They "make ten" in 4 addition problems, and add or subtract 2 in the rest. Finally, they circle the odd numbers in a list from 1-14.
Curated OER
Using Number lines in Addition and Subtraction
Adding and subtracting can be done by counting on or counting down a number line. This presentation provides a complete demonstration and examples of how one can use a number line to solve double-digit addition and subtraction problems....
Curated OER
Skip Counting By Hundreds
There are 6 different number sequences for learners to complete. Each contains missing number. They skip count by hundreds to determine which number will best fill in the blank.
Curated OER
Practice With Complex Fractions
For this math worksheet, students find the solutions to the complex fractions. They practice finding the common denominators for each part of the rational expression.
Science Matters
Richter Scale
The 12th instructional activity in a series of 20 opens with a demonstration of exponential functions using pasta. This concept is connected to the Richter Scale, which is also an exponential function. Scholars compare the exponential...
Maths Blog
Make 20
There are quite a few ways to make the number 20 through addition. Learners fill in missing addends to reach the sum of 20 then answer additional related questions. This is a good resource because it has the class both add to 20 and...
Illustrative Mathematics
But Mango Is My Favorite...
Opening up a package of fruit snacks is like a box of chocolates, you never know what you're going to get. When all the mango flavored ones are missing, learners calculate the probability that one bag versus the whole box is missing the...
Common Core Sheets
Comparing Fraction Relative Size
Which is the larger amount? Two-fourths of 10 dollars, or one-fourth of 100 dollars? This type of question is the main focus of a worksheet that has learners comparing fractions by their relative size. Each problem contains...
Choose My Plate
MyPlate Word Blanks
Create a silly cooking themed story using nouns, adjectives, verbs, and more! Pupils fill in the blanks using their knowledge of different types of fruit, vegetables, grains, protein, and dairy, then read the story aloud to hear a...
Federal Reserve Bank
FRED in the Classroom: Measures of Inflation
Don't just tell class members about how to measure inflation, have them experience it firsthand by asking them to work with real data and construct graphs!
Novelinks
Zach’s Lie: Magic Squares
Individuals match vocabulary words within a magic square, a concept that ties in nicely with math class. The words are all located in Zach's Lie and were specifically selected to increase comprehension of the text. Fifth in a series...
Public Schools of North Carolina
Math Stars: A Problem-Solving Newsletter Grade 4
Fresh off the press, these math newsletters will challenge the problem solving skills of your young mathematicians. With an incredibly wide variety of questions covering the topics of arithmetic and geometry, these unique...
Cornell University
Solar Cells: Juice From Juice
Unleash the power of ... blackberries! Science superstars create solar cells using the juice of berries or leaves of a citrus tree in an engaging lab. In addition to offering a plethora of resources, the teacher's guide gives background...
Curated OER
QR Coded Audio Periodic Table of the Elements
Take the periodic table into the digital age with QR codes that take the scanner to an audio recording about each element from the Royal Society of Chemistry. Enlarge the image, then use a smartphone or tablet to scan the code for an...
Mathed Up!
Addition and Subtraction
After watching a brief video on addition and subtraction, young mathematicians are put to the test. Including 12 problems, individuals solve word problems to find the least number, total amount, and difference of numbers.
Star Wars in the Classroom
"Shakespeare and Star Wars": Lesson Plan Days 13 and 14
How important are sound effects in films? In stage plays? In radio programs? To gain an understanding of the impact of these special effects, class members watch a short video spoof of the sound in a scene from Star...
Curated OER
Adding Ten
In this addition activity, students solve 20 problems in which the number 10 is added to a single digit number. There are no examples.
Curated OER
Adding Decimal Fractions Mentally
In this decimal addition worksheet, students solve 14 problems in which decimal numbers to the tenths or hundredths place are added. Problems are in horizontal format and students are encouraged to add mentally.
Curated OER
Using 10 to Add 7, 8, and 9
In this using ten to add to seven, eight and nine worksheet, students, working with a partner, practice adding various numbers to the number ten for mastery.
Curated OER
Addition Exercise
In this addition worksheet, students complete 30 addition problems by adding three digit numbers to two digit numbers. There is regrouping involved.
Curated OER
The Numbers Get Larger
Second graders examine how to use mental strategies for addition and subtraction. They look at part/whole strategies for multi-digit problems and define which one would be best used for a particular problem. They use tens frames to solve...
Curated OER
Add Seven
For this adding single digit numbers worksheet, students solve 15 problems that require them to add single digit numbers to the number 7.
Curated OER
Add Six
In this adding single digit numbers worksheet, students solve 15 problems that require them to add single digit numbers to the number 6.