Curated OER
Rounding Decimals
Challenge your fifth graders with a worksheet on rounding decimals. Each section provides three columns of decimals and a space for pupils to round them to the nearest tenth. This makes a nice homework assignment, or a timed in-class test.
Curated OER
Rounding Whole Numbers
Can your fourth graders round to the nearest 10? What about the nearest 100, or 10,000? A thorough resource helps them practice rounding numbers of varying size. Four sets of problems prompt learners to round to specified place values,...
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
Subtracting Decimals
How well can your fifth graders work with decimals? What about subtracting decimals? Use this resource to practice these important skills. Sixteen problems help pupils subtract decimals to the hundredths place, while 10 problems at the...
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
Understanding Place Value, Up to 3-Digit Numbers
Work on place value and addition. Here is a resource that features different types of problems for your second graders to solve. After studying the example at the top of the page, they write the missing number in 12 addition problems....
Curated OER
Understanding Place Value #2
Review place value with three sets of problems. Second graders first identify the value of 5 in eight different numbers; they then circle the numbers with specified place value. Finally, they change certain digits of numbers and write...
Curated OER
Understanding Place Value
Your fourth graders can write smaller numbers, but what about five-digit numbers? Practice writing expanded forms of large numbers with these activities. They work on place value skills, as well as written numbers. A great activity to...
Curated OER
Working with 10s and 1s
Can your first graders count by 1s? What about by 10s? Use this graphic learning exercise to help youngsters visualize place value and counting. They count how many sets of 1s or 10s they see, then they draw a given number of 1s or 10s....
Curated OER
Writing Numbers
A multi-faceted approach to place value! Third graders write four-digit numbers, as well as interpreting the written forms of large numbers. Use the resource as a unit assessment, or in parts as a warm-up activity throughout the week.
CK-12 Foundation
Division of Rational Expressions: Step by Step
Division just got a little trickier! An interactive lesson highlights the steps of dividing two rational expressions. Young scholars determine the order of the steps from a bank of possible work.
CK-12 Foundation
Two-Step Equations with Subtraction and Multiplication: Cupcake Equation
Solving equations is a piece of cake. Young mathematicians use an interactive to create a bar model to representing a situation involving cupcakes. They use the model to solve for the cost of a cupcake.
Curated OER
All the 3s Again
Now that your scholars know their threes times tables, challenge them with a timed drill. They review the facts first, then cover up the equations with a piece of paper to complete the 60 problems. All of these include three and another...
Teach Engineering
Magnetic Resonance Imaging
The capstone activity in a 14-part series focuses on the basics of magnetic resonance imaging and the hardware of the machines. Pupils use this information and the material learned throughout the unit to develop a presentation on safety...
CK-12 Foundation
Solving a Matrix Equation: Mystery Matrix
Solve a matrix in code—color code. Pupils use the interactive resource to set up the matrix equation and its solution path. Scholars use the created solution path to determine the entries of the 2 X 2 solution.
CK-12 Foundation
Matrix Multiplication: Vectors
Visualize matrix multiplication on the coordinate plane. Pupils use the interactive to create a matrix multiplication problem using vectors. The scholars see the resulting product of the matrices as a vector.
CK-12 Foundation
Multiplying Matrices by a Scalar: Column Vectors
Make connections between vectors and matrices through multiplication. Scholars use the interactive to view the effect of multiplying a matrix by a scalar. The interactive displays the resulting matrix and its corresponding column vectors...
CK-12 Foundation
Multiplying Matrices by a Scalar
The rule is add before multiplying, even with matrices. Pupils use a slider to change the scalar multiplying the sum of two matrices. The interactive displays the resulting solution matrix, and requires scholars answer five questions...
CK-12 Foundation
Multiplying Matrices by a Scalar: Making Matrix Patterns
Scalar multiplication equations can be a drag. Scholars determine missing matrices to make correct scalar matrix multiplication equations. They place the correct matrix into the equations within the interactive resource and analyze the...
CK-12 Foundation
Adding and Subtracting Matrices: The Matrix Calculator
Discover the procedure to add and subtract matrices. Pupils use the interactive and discover the pattern in adding and subtracting matrices. Scholars adjust the entries in the addends and see the resulting changes in the sum. They also...
Curated OER
Fact Families
These fact families need to be completed. Scholars use addition and subtraction to complete four number sentences for each set of three numbers. The sentences are all part of the number set's fact family, and demonstrate the commutative...
Curated OER
Fact Families
With a few extra numbers, these fact families would be complete! After looking at an example, scholars write in the sums and differences for six equations as part of three different fact families. This is really for beginners to this...
Curated OER
Solving Equations Using Two Operations
Need more detail in showing your class how to solve two-step equations and proportions? This lesson plan outlines the steps young mathematicians need to solve simple equations and check their results.
Curated OER
Add and Subtract Equations with Equal Sign
Pupils match the partial equations on the left with the partial equations on the right. They determine which equations are equal and connect them with a line.