6th Grade Test Prep Lesson 3
Test Prep Aim #2: To solve problems with unit rate
Homework: Complete StraightAce Assignment 1 by 3/23
Warm Up:
March 19, 2015
Today, we will be working on solving problems with unit rate. Unit rate is seen
every day in stores and in problems we encounter. We see unit rates when we
talk about speed, prices of items, etc. These problems are similar to the ones
we saw yesterday.
On in-line skates, Bradley skates 4 miles in 20 minutes. At this speed, how
long would it take him to skate the entire length of a 14-mile path?
Unit Rate
Example 1: Model Problem
A store sells four ears of corn for $1.00. How much will nine ears of corn cost?
Example 2: You try...
The male elephant at the Bronx Zoo weighs 8,000 pounds, which is equal to
about four tons. The female elephant weighs 7,000 pounds. How many tons
does the female elephant weigh?
1 Assessment Question:
Victor needs 30 feet of rope. The rope he wants to buy is sold by the
yard. He knows that there are three feet in one yard. How many yards
should he buy?
Show your work.
A 10
B 20
C 60
D 90
Discussion Question: If someone chose D as their correct answer, what
mistake did they make? Explain.
Application: Ready books, pg. 36 - 37 # 1 - 6
Summary:
What was the most important thing you learned today?