Curated OER
Addition & Multiplication of Matrices
High schoolers add and multiply matrices. They explore the dimensions of products of a matrix. After observing problems on the overhead, students solve their own matrix problems. They list and define the properties of matrix multiplication.
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Positive & Negative Numbers
Young mathematicians solve and complete 22 different problems that include using a number line to evaluate. First, they define each of the terms listed. Then, pupils graph each integer on the given number line. They also evaluate each...
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Quotable Puzzles
In this algebra puzzle instructional activity, students evaluate 25 different expressions using the values provided for a, b, c, x, y, and z. They then match the answer to the correct letter of the alphabet and use the letters to solve...
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Miles Of Smiles
Learners investigate basic mathematical properties to solve multiplication and division problems. They solve word problems that are part of the lesson. Students are required to give written or oral justification for how they solve each...
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Walking On The Number Line
Students investigate the concepts of expressions and equations while defining the similarities and differences. They explore the operations by using a number line and record answers while working with the teacher. Students play the game...
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Creative Cats
Students solve joining problems by using cat counters, pictures, and numbers. First, students listen to the story "Pretend You're a Cat" by Jean Marzollo.
Math Mammoth
Integers
In this integers instructional activity, 5th graders solve and complete 4 different types of problems. First, they add negative integers by adding the absolute values and placing the negative sign in front. Then, 5th graders add integers...
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Even More Significant Figures
In this significant figures worksheet, students solve 12 multiplication, division, addition and subtraction problems and express their answers in scientific notation with the proper number of significant figures.
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Exponents
In this algebra activity, students solve exponential problems using product, addition, subtraction and division rules. There are 30 problems.
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Chemical Equilibria and an Introduction to Water Chemistry
In this equilibrium and water chemistry worksheet, students solve twenty problems related to acids and bases, equilibrium and water.
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The Distributive Property
In this distributive property worksheet, students complete 10 short answer problems. Each problem asks students to work first using order of operations, and then using the distributive property. The final problem applies this to the area...
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Expressions
In this expressions worksheet, students solve and complete 16 different problems related to various expressions. First, they define each of the listed terms and know each given property. Then, students state the order of operations and...
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Subtracting Numbers up to 10
In this subtraction worksheet, students complete a set of 20 single digit addition problems. An answer key is included on page 2.
Teach Engineering
What's Wrong with the Coordinates at the North Pole?
Here is an activity that merges technology with life skills as individuals use Google Earth to explore the differences between coordinate systems and map projections. The self-guided activity is the fourth segment in a nine-part unit....
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Jumping the Number Line - Decimal Fractions (Hundredths)
Students demonstrate how to add decimal fractions (tenths and hundredths) by using the jumping the number line strategy. They complete a variety of problems on a worksheet, attempting to solve them mentally, then recording the answers on...
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Academic Algebra II Test Chapter 4, Part 2
For this test of knowledge worksheet, students answer 2 story problems, they solve 6 systems of equations. Students multiply 2 maxrix sets. They determine the inverse of two matrices. Students determine the linear regression line for two...
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Addition and Subtraction using Manipulatives
Sixth graders participate in a question and answer session to begin their understanding. Students complete a practice assignment using color counters. Students' assessment is composed of using color counters to complete an independent...
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Working With Negative Numbers: Adding and Subtracting with a Number Line
In this math worksheet, students practice addition and subtraction of positive and negative numbers using a number line to help. The 30 problems are written as questions in words.
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Gases and Chemical Reactions
In this chemical reactions worksheet, students calculate the volume or pressure for different gases. Students determine the effect of different stimuli on the rate of a chemical reaction. This worksheet has 1 short answer, 10 fill in the...
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Subtract a Single Digit from a 2-Digit Number
In this subtraction worksheet, students complete a set of 10 problems, subtracting single-digit numbers from double-digit numbers. An answer key is given.
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Least Common Multiple
In this least common multiple worksheet, students write numbers as a product of primes to determine the least common multiple. Explanations and examples are provided. This two-page worksheet contains ten problems.
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Atomic Theory, Structure, and Symbols
In this atomic theory worksheet, students review the observations that led to the conclusion of the atom having a positively charged nucleus. Students compare atomic number and mass number and explain how the discovery of subatomic...
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Thermodynamics
In this thermodynamics worksheet, students review enthalpy, state functions, bond energy, and heat capacity. This worksheet has 2 multiple choice, 6 matching, and 12 problems to solve.
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Addition - 10 more t
In this math worksheet, students solve the problems using the operation of addition to find the sums. The answers are can be checked using subtraction.