Curated OER
Putting Numbers in Order
Can your second graders put these 2 and 3-digit numbers in order from least to greatest? Fifteen sets of four numbers help them practice their place value, as well as their ordering skills. A great way to get them ready for more complex...
Curated OER
Subtracting Bigger Numbers: 2 and 3-Digit Numbers
Subtraction problems are simple - or are they? Fourth graders subtract 2-digit numbers from 3-digit numbers in different formats, including vertical problems, horizontal problems, and word problems. Use this resource at the end of your...
Curated OER
Subtraction Drills, Part 2
Zoom through 32 subtraction problems! Second graders view the examples at the top of the page, then set to work on two-digit subtraction problems. Some problems involve borrowing. Use this resource as a quiz or homework assignment to...
Curated OER
Subtraction Practice, Part 4
In need of some subtraction practice? Here is a good review or quiz activity to reinforce your subtraction lesson. Twenty-four problems include subtracting two-digit numbers, most of which involve carrying. The last fifteen problems use...
Curated OER
Number Wall
Use the number wall to practice addition, evens and odds, missing addends, and doubling. Learners answer various questions based on six numbers, filling in squares with digits. They list the odd numbers and total them, then list the even...
Curated OER
Subtraction Practice, Part 3
A basic subtraction worksheet can help your second graders improve their problem-solving skills. Seventeen problems prompt learners to subtract two-digit numbers from two-digit numbers. None of the problems require carrying, so this...
Curated OER
Subtraction Word Problems #1
Practice subtraction skills and word problem strategies with your second graders. After reviewing the example at the top of the page, learners solve 14 word problems involving subtraction. A great way to practice mental math!
Curated OER
Practice Exam Bonding and Acid-Base
In this chemistry worksheet, students respond to several multiple choice questions relating to bonding and acid-bases. They also identify the various types of bases and how they differ from each other.
Inside Mathematics
Two Solutions
Many problems in life have more than one possible solution, and the same is true for advanced mathematics. Scholars solve seven problems that all have at least two solutions. Then three higher-level thinking questions challenge them to...
Curated OER
Base Ten Blocks - Counting Units (A)
In this math worksheet, students are given 8 sets of counting blocks. Students are asked to count the blocks and tell how many "units" are in each group.
Curated OER
Math: Number Systems
Pupils examine other number systems, particularly the binary number system. They discover how to convert from decimal to other base systems. Students analyze the advantages and disadvantages of using the coded decimals.
Curated OER
Negative 10 to the nth Power
In this negative ten learning exercise, middle schoolers compute the value of negative ten when raised to a given power. This one-page learning exercise contains 5 self-checking problems. This learning exercise may be completed on-line...
Curated OER
BASE-ic Space Travel
In this 3-day place-value lesson, upper-elementary kids investigate the base 5 and base 2 systems as an introduction to exponents and powers. They create a pocket chart to help ground their understanding of bases, exponents, and powers,...
West Contra Costa Unified School District
Division (No Remainders)
Help young mathematicians build a solid understanding of division with this base ten block activity. With the help of these popular math manipulatives, children model different math problems in order to reinforce the...
EngageNY
Changing the Base
I can't calculate a base-2 logarithm since my calculator doesn't have a base-2 log key. Young mathematicians use the change of base formula to extend the properties of logarithms to all bases. Among these bases is the natural log base,...
EngageNY
Grade 10 ELA Module 1: Unit 1, Lesson 5
If you've ever wished you could respond to an author's message, an instructional activity that connects three poems with the same concept will appeal to you. Based on the first few lessons' focus on Christopher Marlowe's "The Passionate...
EngageNY
Grade 10 ELA Module 3: Unit 2, Lesson 6
Choose your path carefully. When beginning research, learners must figure out which inquiry path to follow. After determining a path, scholars guide their research based on the chosen theme to further refine the questions they...
ReadWriteThink
Literature Circles: Getting Started
Make reading more enjoyable and interactive with literature circles! Here you'll find detailed lessons to begin the literature circle process. Ten lessons introduce each role learners take on. Literature circle roles include...
Curated OER
Place Value 100's and 1,000's
Third graders watch a PowerPoint presentation and read a book on place value used in our base ten system. They play a place value game and complete a worksheet.
EdHelper
Subtraction
In this subtraction worksheet, students use the base ten blocks and square unit blocks to help them find the missing number to complete the single and double digit subtraction problems. Students solve 11 problems.
Curated OER
Place Value Lesson
Fourth graders use place value structure to construct and compare numbers that are up to the ten thousands. In this place value lesson plan, 4th graders explain and discuss numbers that are greatest in size according to the place of the...
Curated OER
Acid-base Indicators
There is a chart to complete with results of the titrations for the 14 different pH indicators. There are also nine questions for data analysis, and then four problems requiring equations, molarities, and pH values.
Curated OER
Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics lesson, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
Curated OER
Triangle Problems-Base, Height, and Area
For this geometry worksheet, 10th graders find the base, height, or area of a triangle. The one page interactive worksheet contains ten questions. Answers and hints are included.