Curated OER
Surface Area and Volume
Upper graders identify the surface area and attributes of figures that are measurable. They estimate, measure, and record perimeter, area, temperature change, and elapsed time, using a variety of strategies. They also determine the...
Pennsylvania Department of Education
Multiplication Using Arrays
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
Curated OER
Area Model of Multiplication Using Base 10 Manipulatives
Explore two-digit multiplication with your class as they work in groups to build models of two-digit multiplication using base 10 manipulatives. They construct rectangles replacing standard numbers with equivalent place values using the...
Alabama Learning Exchange
Finding Prime
Fifth and sixth graders explore prime numbers. They work with a partner to build rectangular arrays using twelve tiles. Factor pairs are noted and recorded on graph paper. Pupils construct rectangular arrays with a prime number and...
Curated OER
Halves, Thirds, and Sixths
An excellent activity that effectively pulls together the concepts of area, fractions, and equivalent fractions! Using 3x2 rectangular arrays, 3rd graders are introduced to the concept of area in terms of square units. Building on this...
Curated OER
Arrays To See Multiplication
Fifth graders examine multiplication. They construct arrays to demonstrate specific multiplication facts. They identify examples and non-examples of arrays. Students use counters to model the commutative property of multiplication.
Curated OER
Shapes and Their Insides
Learners follow a series of instructions for drawing and coloring different shapes in order to learn the difference between the perimeter and area of a polygon. Then they are asked to find the perimeter and area of a 3x4 rectangular...
California Education Partners
Lashelles Garden
Let knowledge grow bountifully like plants in a garden. Given a diagram of a rectangular garden split into plots, scholars determine the area of the entire garden and the areas of the individual plots. As a culminating activity, they...
Curated OER
Use Measurement
In this measurement lesson, students follow the instructions to draw a sandbox on a grid. Students also respond to 2 short answer questions regarding the area question.
Curated OER
What Goes Around
Fourth graders investigate the relationships between the area and perimeters of squares and rectangles. They calculate the perimeter of rectangles and squares using a formula. Students investigate the relationship between the perimeter...
Curated OER
Solar Car Series: Angle/Energy Amount
Does the angle of a solar panel change the output? Emerging engineers find out! Demonstrate for your class how they can angle a straw to match the angle of light rays coming from a source. Then turn them loose to experiment with the...
Curated OER
A Polynomial Quilt
Tenth graders create polynomial quilts. In this polynomials lesson, 10th graders use concrete models, such as construction paper, to create various shapes described. Students use the FOIL method to multiply terms and to get a square...
Curated OER
Multi-Digit Multiplication
Fourth graders practice mastering the ability to multiply multi-digit numbers utilizing rectangular arrays and a variety of mental math strategies. They model and illustrate meanings of multiplication and division of whole numbers and...
Curated OER
Multiplication: Building Models, Representations and Explanations
First graders explore multiplication concepts through skip counting, repeated addition and arrays. Using animal characteristics as a context, 1st graders solve problems using mathematical tools such as hundreds charts, number lines, ...
Helping with Math
Multiplication: 2-digit x 2-digit
Number crunchers sharpen their math skills as they solve 30 problems requiring them to multiply two-digit numbers by two-digit numbers. Assign this as homework or use it as an assessment after practicing the skill together in class.
Alabama Learning Exchange
Miss Integer Finds Her Properties in Order
Access prior knowledge to practice concepts like order of operations and exponents. Your class can play this game as a daily review or as a warm-up activity when needed. They work in groups of four to complete and correct review problems.
Helping with Math
Multiplication: 4-digit x 1-digit
As the title states, math whizzes multiply four-digit numerals by a single-digit. With 24 problems to solve and an answer key available, this is a handy tool for providing multiplication practice.
Curated OER
Multiplication: 2-digit x 1-digit to 99
In this multiplication practice learning exercise, 3rd graders sharpen their math skills as they solve 30 problems that require them to multiply 2-digit numbers by 1-digit numbers.
Helping with Math
Multiplication: 2-digit x 1-digit - regrouping
Here is a way to practice one step in the process of multiplying multiple digits: multiply two-digits by single digits! Thirty problems for learners to solve make this a useful assignment to sharpen their skills!
Helping with Math
Multiplication: 2-digit x 1-digit to 999
Thirty quick problems make this an ideal assessment when learners are working with two-digit multiplication. Note that this has been identified by the publisher as aligned to meet CCSS.Math.Content.4.NBT.5, it is rather simple and likely...
Helping with Math
Multiplication: 2-digit x 2-digit - no regrouping
For those who are just starting out with multiplying multiple digits, this is an appropriate assignment. No regrouping is required as mathematicians find the product for 30 different problems. Answers are provided.
Curated OER
Division: 4-Digit by 2-Digit
In this division learning exercise, students complete 18 problems, dividing 4 digit numbers by 2 digit numbers. Worksheet includes link to answers and additional worksheets.
Helping with Math
Division: 3-digit by 1-digit
Twenty-four problems fit neatly on this division instructional activity. For each, youngsters must divide a three-digit number by a single digit. There will be remainders in all of the problems, so make sure not to assign it until you...
Curated OER
Division: Three Digit by Two Digit
For this division problem, students solve for the quotients in 24 three digit by two digit division problems. They use the long division method to find each quotient.