Primary Resources
Grid Multiplication
Ever have a completely confused fourth grader ask about multiplying a 3-digit by a 2-digit number? This slide show could really help clear things up. The grid or box method is fully demonstrated and explained in this straight forward...
Curated OER
Calculation Methods 1
There are so many ways to solve any given math problem. Get your problem-solving basics covered with this handy slide show. Various calculation methods are used to solve multiplication, addition, subtraction, and division problems...
Curated OER
Lattice Method of Multiplication Variances
Young scholars explore the lattice method of mulitplication variances through the game "Multiplication Wrestling." They view a model of how to play the game and play three rounds, recording their patterns and discussing the strategies...
Curated OER
Multiplying Polynomials
Students explore multiplying polynomials. They observe solving polynomials using the standard order of operations, FOIL, and the box method. Throughout the demonstration, students explore strategies of solving word problems such as...
Flipped Math
Factor Trinomials
Is it possible to factor out more? Scholars view a video presentation on factoring second degree trinomials. They learn about the magic X method to keep track of the constant factors. To finish, scholars use the learned method while...
EngageNY
The General Multiplication Rule
In the first installment of a 21-part module, scholars build on previous understandings of probability to develop the multiplication rule for independent and dependent events. They use the rule to solve contextual problems.
Curated OER
Students Multiply Polynomials without Algeblocks
Introduce your class to the lattice method as a way to multiply polynomials. This lesson is specifically aimed at getting students to use methods other than Algeblocks to solve polynomials.
Curated OER
Solving Complex Equations with the GERMDAS method
Learners solve complex equations with the GERMDAS method. In this algebra lesson, students solve equations with more than one step using addition, subtraction, multiplication and division. They apply the order-of operation as they...
Curated OER
Multiplying Large Numbers Using the Lattice Method
Third graders practice multiplication. In this multiplication lesson, 3rd graders receive instruction on how to multiply large numbers using the lattice method.
Curated OER
Don't Eat the Crayons: Real-Life Multiplication
Third graders use items which come in sets to look for real-life multiples and write multiplication problems. This lesson assess the student's understanding of the meaning of multiplication using an array model and manipulatives.
Curated OER
Long Division Examples and Practice
In this math worksheet, students are given 2 examples of long division and the steps involved. Students are asked to solve 4 division problems using the methods in the examples.
Curated OER
Year 6: Word Problems
Engage your critical thinkers with a series of word problems that ask them to discuss their problem solving strategies. There are eight multi-step problems to solve, each problem includes the notes on the operation performed, the process...
Curated OER
Area of Rectangles and Squares
Find the area; scholars examine nine images of squares and rectangles with width, length, and units provided for each. They multiply double-digit numbers to find the area, writing it into the box provided. Because square units are...
Curated OER
Solving Equations Three Different Ways.
Students solve equations using 3 different methods. In this algebra lesson plan, students solve linear equations using the bar method, the GERMDAS method and the traditional method of combining like terms through multiplication,...
Yummy Math
Sweethearts Candy
Sweethearts® candies are a beloved Valentine's Day treat—so much so that eight billion hearts are produced every year around the world! Learners use number sense reasoning and critical thinking to solve nine word problems about the...
Curated OER
Who Wants to Carry a Million?
Students, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.
Curated OER
Giggle, Giggle, Quack Pizza Fractions
Learners explore the concept of multiplication by using pizza. They read an article discussing how math is used everyday. They try to determine how many pizzas they would need to feed the class.
Curated OER
How Many Bears in the Forest?
Third graders model the tag and recapture of bears and use proportions to estimate the population of the bears in their forest. This is a statistical sampling method used by scientists and naturalists to determine population numbers.
Curated OER
Million Dollar Gift
Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.
Curated OER
This is to That
Students look at ratio, what it means for numbers or objects to be in a given ratio, and how ratios and fractions are related. They write and solve story problems which involve whole numbers, using addition, subtraction, multiplication,...
Curated OER
Conditional Probability and Probability of Simultaneous Events
Your statisticians examine the characteristics of conditional probability and the probability of simultaneous independent events. They perform computer activities to find probabilities for simple compound events. They examine the...
Curated OER
Grocery Store Problem Solving
Young scholars use multiple math skills to complete grocery story problems. In this grocery math lesson, students study grocery ads to learn about the cost of foods. Young scholars investigate food types and the costs of processed versus...
Curated OER
Replacement and Probability
Students explore sampling with and without replacement. They explore the effects on the probability of drawing a desired object. Students examine probability and the difference between sampling with and without replacement.
Curated OER
Understanding Equivalent Fractions
In this understanding equivalent fractions worksheet, 5th graders use a computer program for instruction, then answer 15 questions about equivalent fractions.