Curated OER
Multiplication of Whole Numbers
Break up multiplication into more easily conceptualized math operations. Scholars first examine an array of apples and write a multiplication sentence to represent it. Then, they determine which of four sets of addends is equivalent to a...
Curated OER
Multiplication of Whole Numbers
Rather than simply have your scholars memorize multiplication facts, be sure they understand the process behind each equation. There are four arrays of objects here; mathematicians write a multiplication sentence for each. Next, they...
Curated OER
Handcarts - A Unique Form of Transportation
An interesting historical fact about how handcarts benefitted to the Mormon pioneers is the context behind this math lesson. Using given facts and figures regarding the handcart, pupil pairs create math word problems, share them with the...
Curated OER
Relating Multiplication and Division R12-7
Learners utilize an array to assist them in completing four multiplication and division math problems.
Illustrative Mathematics
Comparing Products
How can 5th graders show understanding that 30 x 225 is half of 60 x 225 without completing the computation? They can use an area model and draw it out. An array, or an open array, is an area model that allows for young learners to...
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...
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
Multiplication PowerPoint
Providing a step-by-step explanation of two-digit multiplication, a list of vocabulary words associated with this concept, and great examples, this resource would be a terrific classroom addition. Besides the set of of simple...
K5 Learning
Multiplication Word Problems #5
How many legs to 349 frogs have? How many ears are on 105 puppies? These and other fun multiplication word problems will have learners applying their math skills to realistic scenarios using two- and three-digit multiplication.
Curated OER
Addition and Multiplication
In this introduction to multiplication activity, students use arrays and counters to understand the multiplication process. In this problem solving activity, students find the answers to three problems.
Curated OER
Array game
Second graders participate in a math game that allows the students to practice their multiplication skills, and reinforces the 'array' concept of multiplication. They perform multiplication calculations using numbers one to six and...
Curated OER
Hands On: Arrays and the Commutative Property
In this multiplication worksheet, students learn to use arrays when solving multiplication problems. Students also use the commutative property to solve the problems. Students solve six multiplication word problems using arrays and the...
Curated OER
Five By Ten Arrays
For this math worksheet, students examine eight separate five by ten arrays. Students can practice multiplication with the arrays or cut out different shapes.
Illustrative Mathematics
“One More” Concentration
Help your primary learners develop an understanding of the concept of one more and one less using two sets of number cards. The first set of cards, all in one color, is the "one less" deck. The second set, again all in one specific...
Curated OER
Division by Fractions (Part One)
Learners demonstrate array models to illustrate division as sharing and grouping. They demonstrate the array models to compare division as sharing with division as grouping. Pupils explore division problems are typically seen as either...
Illustrative Mathematics
“Crossing the Decade” Concentration
Young mathematicians concentrate on learning to fluently count. Following the rules of the classic game Memory, children take turns flipping over cards in order to find pairs of numbers that cross a decade (e.g. 29 and 30). For younger...
Curated OER
Skipping Into Multiplication
Young mathematicians study the relationship between skip counting and multiplication. They build on skip counting skills and examine arrays while studying multiplication. Resources are provided.
Curated OER
Multiplying in Any Order
Learners use an array model of multiplication to solve four fill in the blank multiplication problems. A very nice math learning exercise.
Math Worksheets Land
Counting (Up to 120) - Guided Lesson
Three sets of objects create arrays for learners to count: will they discover strategies to make their job easier? Each array has between 105 and 120 objects in rows. Have learners do the first one, then review their strategies. Did...
Math Solutions
Race to 20
And they're off! Working in pairs, young mathematicians roll dice to see who can fill in their double ten-frames first. When students finally fill in their arrays, they create addition number sentences that represent their rolls, helping...
Curated OER
Real-Life Problems
There's a party going on! Learners examine an image of a birthday party and answer 10 analysis questions. They employ a variety of math skills including telling time, days of the week, division, subtraction, multiplication, addition,...
Math Flix
MathFLIX Challenge: Multiplying and Dividing Fractions
First, math majors compare the multiplication and division of unit fractions and whole numbers. They look for patterns, and then apply their knowledge to an array of multiplication and division problems, all involving fractions and mixed...
Curated OER
Connor and Makayla Discuss Multiplication
The commutative property of multiplication applies not only to whole numbers but to fractions as well. Connor and Makayla explore and discuss the idea that 2/3 x 3 is the same as 3 x 2/3. Your 5th grade class will connect with learning...