Curated OER
Two-Digit Plus One-Digit Addition (A)
In this math worksheet, young scholars solve 100 problems in which 2 digits are added to one digit numbers. Example: 44 + 9. Problems are written in a vertical format and are closely spaced.
Curated OER
Sums to Ten
In these addition worksheets, students add the 1 digit numbers that have sums to 10. Students solve 100 single digit addition problems.
Curated OER
Comparing Numbers (up to 999)
For this number comparison worksheet, 4th graders compare 14 pairs of numbers and place either the greater than or less than symbol between each. They order 7 sets of numbers from least or smallest to greatest.
Curated OER
Number: Negative Numbers
Pupils solve numerical equations with negative numbers. They use the number line to compare the relationship of numbers greater than zero to those less than zero. They practice starting at various points on the number line and then...
Curated OER
The Counting Caterpillar
A daily counting routine builds a caterpillar with 100 body segments (marked with symbols to indicate 2s, 5s, and 10s) by the 100th day of school. Provides structured repetition as part of the morning routine so that by 100th day,...
Curated OER
Jump on Tens
Give the actors in your class a chance to shine as they act out skip-counting. In their roles, they take turns shouting out different number patterns and jumping when reaching the given goals set for each number family. A fun and...
Curated OER
Counting in Tens, Beginning with 70
Mr. Mouse instructs kids to fill in the blanks by counting 10's. They skip count by 10s to finish each of the 6 number lines. Learners will count by 10 beginning at 70, 100, 90, 50, 140, and 260.
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
The Past Tense -- Simple Past
A quick review of the past tense begins this learning exercise. It focuses on the simple past, and has a diagram to identify past actions in visual terms. Adding -ed or -ied is explained, and the past forms of to...
Savvas Learning
How Many Hundreds?
Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...
DiscoverE
Action Figure Diver
Will your next buoyancy lab rise to the occasion? Make a splash with action figure divers! Teams of young physicists explore the relationship between mass and buoyancy by adding weights or balloons to achieve a diver that neither sinks...
Math Worksheets Land
Multistep Ratio and Percent Word Problems - Step-by-Step Lesson
What happens when you have a recipe and need to up the measurements? Here is a lesson that explains how to use ratios to convert measurements and percents with worked out problems. Also provided are additional resources and practice...
Digital Writing and Research Lab's – Lesson Plans
Teaching Close Reading through Short Composition/Revision
This activity may have writers evaluate short compositions, but their subjects are quite tall: great Americans. Pupils read one another's compositions and closely examine how specific phrases and diction contribute to shaping American...
Nuffield Foundation
Effect of Size on Uptake by Diffusion
Cell size is limited by the surface area to volume ratio, but why is this true? Scholars measure the surface area and volume of cubes before placing them into liquid. After a set amount of time, they measure the uptake by diffusion for...
Royal Society of Chemistry
The Treatment of Oil Spills—Microscale Chemistry
When oil spills happen, how is the oil cleaned up? Pupils of polymer science discover an amazing substance that turns oil into a solid during a microscale experiment. Individuals observe oil or paraffin before and after addition of the...
Code.org
Binary Numbers
All you need is a zero and a one. Build pupils' understanding of binary values and number systems to gain familiarity with binary numbers. Using a hands-on activity and technology, scholars learn how the binary system works and its...
DiscoverE
Nanosolutions
There are a billion reasons to use the resource! Well, not quite. A demonstration using food color and water shows scholars the meaning of nano. An iterative process results in diluting the concentration of food coloring by one tenth...
ProCon
Fighting in Hockey
At best, fighting in hockey makes the sport more entertaining; at worst, fighting could lead to death. Pupils read background information about the prevalence of fighting in hockey since the 1917 formation of the National Hockey League....
It's About Time
Factors Affecting Population Size
How do we predict future population growth? Young researchers investigate various factors affecting the size of our population. As they calculate and interpret graphs to determine factors that could potentially affect increases...
101 Questions
Double Sunglasses
If you wear two sets of sunglasses, do you get twice the darkness? Pupils explore an enlightening topic using a video and math model. They discover how to extend the topic through a sequel video and challenge question.
Describing Egypt
Ty Mastaba
Many know the beauty of a pillared hall, but what makes those from ancient Egypt so breathtaking? An eye-catching resource takes viewers on a journey through the Ty Mastaba to discover the importance of pillars to architecture. They see...
US Department of Agriculture
Serving Up My Plate
Within three nutrition-themed, inquiry-based learning opportunities, pupils take notice of their eating habits; delve deep into the five food groups, gain experience in planning meals, participate in a taste test, and explore ads...
Curated OER
Beanie Baby Bonanza
Third graders add and subtract decimals. In this third grade mathematics lesson, 3rd graders are given an imaginary $100 to purchase five Beanie Babies. Students determine which five they would like to purchase and estimate...
Curated OER
Add 9 to a 2-Digit Number
In this addition worksheet, students add 9 to a series of 2-digit numbers and increase given numbers by 9. An answer key and website reference are given.