Word Problems
what is the product of 21 and 9
189 is the product
A school library has 24 graphic novels. It has 3 times as many chapter books as graphic novels. How many chapter books does the library have?
Equation?
Answer?
Equation: 24 x 3
Answer: 72 chapter books
345 x 9
3105
What is the first step in solving an area model problem
Draw your rectangle
Which strategy has partial products?
Standard algarithm or area model
Both of these strategies do
A school is setting up chairs for its annual talent show. They arrange 24 rows of chairs with 16 chairs in each row. How many chairs are there ?
384 chairs
A garden has 12 rows of carrots. The number of rows of tomatoes is 5 times the number of rows of carrots. How many rows of tomatoes are there?
Equation
Answer
Equation: 12 x 5
Answer: 60
4128 x 7
28896
How many boxes are needs when multiplying a three digit number by a 1 digit number using the area model
three boxes
what are the partial products of 23 x 34
600
80
120
12
A farmer plants an apple orchard with 62 rows of trees and 24 trees in each row. How many trees are there ?
1488 trees
A toy store has 28 action figures. It has 4 times as many building sets as action figures. How many building sets does the store have? How many toys do the two groups have altogether?
112 Building Sets 140 toys altogether
53 x 26
1378
What are the numbers inside of the boxes called when they have been multiplied together?
What is the next step to do with them?
Partial Products
Add them to find product
what is the product of 246 x 13
3068
There are 3521 marshmellows in 8 bags. How many marshmellows are there?
28168 marshmellos
A school sold 24 books on Monday. On Tuesday, the school sold 12 times as many books as on Monday. How many books did the school sell on Tuesday?
Equation 24 x 12
Answer 288
45 x 56
2520
what are you multiplying when using the area model
Length x width
How many boxes are needed when multiplying a five-digit number by a two-digit number using the area model?
10
Jesse has 52 people with him as he goes to the Perry fair. He ha brought one thousand dollars and wants to pay everyone's entrance fee. It cost $20 for entry. Will he be able to pay for everone? Why or Why not?
No the tickets will cost 1040
Class A raised $23 for a fundraiser. Class B raised 14 times as much money as Class A. How much money did Class B raise?
Equation
Answer
322
95 x 87
8265
How many boxes are needed for multiplying a three digit number x's a three digit number using the area model
there are 9 boxes based off the number of places for their partial products
What is the product of 375 x 236 ?
88,500