Curated Video
Chicken and Eggs (Solve multiplicative comparison word problems involving finding the size of the group using drawings)
Flopsy and Mopsy are egg-laying chickens. Today Flopsy laid 8 eggs, then she asked Mopsy: How many eggs did you lay today? Mopsy likes riddles, so she didn't answer the question directly. She said to Flopsy: You laid 4 times as many eggs...
Curated Video
Sam's Weight (Represent word problems involving multiplicative comparison using a symbol for the unknown where the number of groups is the unknown)
Sam's weight is 40 pounds while his brother Baby Rick weighs 8 pounds. How many times is Sam heavier than his brother?
Curated Video
Walking to School (Solve multiplicative comparison word problems involving finding the size of the group using bar models)
Sara walks from her house to school every day. Lilly also walks to school from her house every day. The distance from Lilly's house to the school is 3 times longer than the distance from Sara's house to school. If Lilly's house is 900...
Curated Video
How Much Taller (Solve multiplicative comparison word problems involving finding the number of groups using bar models)
Baby Rick is 2 feet tall and his father is 6 feet tall. Obviously, the father is taller than Baby Rick. But how many times taller is he?
Curated Video
Computing Times as Many Using Multiplication
Computing multiples using multiplication.
Curated Video
Making Cupcakes (Real-world examples using inverse operations: multiplication equations)
Luka used 4 boxes of cake mix to make cupcakes for a bake sale. Using those 4 boxes, he was able to make 96 cupcakes. How many cupcakes does one box of cake mix yield?
Curated Video
Counting Stars (Using both multiplicative and additive comparisons in real-life situations)
There are two unique groups of stars that we can see. One with pink stars, they call it the pink group. The other, with blue stars, they call it the blue group. Zed wants to compare between the two groups, so he said: In the blue group,...
Curated Video
Sam and his Mother (Represent word problems involving multiplicative comparison using a symbol for the unknown where the product is the unknown)
Sam is 8 years old and his mother is 4 times older than him. How old is his mom?
Curated Video
Buying Erasers (Solving one-step decimal equations: multiplication)
Jillian purchased some erasers from the school store. Each eraser costs 25 cents. If she spent a total of 2 dollars and 25 cents, how many erasers did she buy?
Curated Video
Library (Represent word problems involving multiplicative comparison using a symbol for the unknown where the group size is the unknown)
Sara and Lilly went to the library to read. Sara read 24 pages. She read 3 times as many pages as Lilly .How many pages did Lilly read?
Curated Video
Fish Bowls (Solve multiplicative comparison word problems involving finding the number of groups using drawings)
There are 2 fish bowls. The small bowl has 3 fish, while the big bowl has 12 fish. How many times as many fish as the small bowl does the big bowl hold?
Curated Video
Candy Pieces (Computing multiples for a number using drawings (repeated addition))
Sara and Lilly went to buy candy. Sara bought 1 bag of candy and when she opened it she found 5 pieces inside, while Lilly bought 3 times as many candy as Sara. How many pieces of candy does Lilly have?
Curated Video
Jim's Family (Solve equations that represent verbal statements of multiplicative comparison)
Jim is 2 years old. And His brother John is 5 times older than Jim. While their father is 4 times older than John. What are the ages of John and his father?
Curated Video
Solving Division Equations Involving Decimals
Solving one-step equations involving decimals: division.
Curated Video
Solving Multiplication Equations Using Inverse Operations (Example)
Solving one-step equations using inverse operations: multiplication equations.
Curated Video
Multiplication and Multiplicative Comparison
A multiplication equation as a multiplicative comparison.
Curated Video
Bears and Fish (Represent verbal statements of multiplicative comparison as equations)
Papa Bear and his son Teddy went fishing.Teddy caught 3 fish and Papa Bear caught 4 times as many fish as Teddy. How many fish did Papa Bear catch?
Curated Video
Rabbit Farm (Distinguish multiplicative comparison from additive comparison)
There are three rabbits. Floppy, Sloppy, and Hoppy. Floppy had 8 carrots. While Sloppy ate 15 more carrots than Floppy, and Hoppy ate 3 times as many carrots as Floppy. Which of these rabbits ate the most?
Curated Video
Solving Multiplication Equations Using Inverse Operations
Solving one-step equations using inverse operations: multiplication equations.
Curated Video
Solving One-Step Equations Using the Reciprocal
Solving one-step equations using the reciprocal.
Math Antics
Solving Basic Equations Part Two
Some equations require inverses of multiplication and division. Solving equations use inverse operations to isolate the variable. The video shows how to solve one-step equations involving multiplication and division and works several...
Math TV
Math tv.com: Positive and Negative Numbers: Multiplying
Video demonstrations will help you improve your multiplication skills. A veteran teacher, along with several students, offer tips for simplifying expressions involving the multiplication of positive and negative numbers.