7th Grade
Are these ratios equivalent? 20: 100 100: 500
These ratios are equivalent
Are these ratios Equivalent? 2: 40 4 : 60
These ratios are not equivalent.
The answer to this expression 324.4 X 10
What is three thousand two hundred and forty four
or 3,244
The answer to this expression 250 X 10
What is two hundred and fifty
or 2500
Draw 3 circles. In each circle put four stars. How many stars are there all together?
What is 12
The rate of person walking 1.8 miles in 45 minutes.
What is 1.8 miles/45 minutes or .04 miles per minute. (four hundredths of a mile per minute.)
The rate of a car that traveled 180 miles in 3 hours.
What is 180 miles/ 3 hours or 60 miles per hour.
The answer to the expression 32.5 divided by 100
What is .325 (325 thousandths)
The answer to this expression 20 ÷ 10
What is 2
The symbol used in multiplication.
What is X
DAILY DOUBLE
A family went to the ice cream store. One kid got 3 ounces of ice cream for $ 2.25 The second kid got 4 ounces of ice cream for $3.00. Is the price per ounce proportional?
Yes the price per ounce is 0.75
DAILY DOUBLE
The recipe makes 2 cakes. Your will need 8 eggs and 4 cups of milk. You need to make 4 cakes. You buy 32 eggs and 18 cups of milk. Is this proportional?
DAILY DOUBLE
This is not proportional.
A microscope has a setting that magnifies an object so that it appears 100 times as large when viewed
through the eyepiece. If a tiny insect is 0.095 cm long, how long will the insect appear in centimeters
through the microscope?
What is 9.5 cm long
2 times as much as 4
What is 8
The answer to 4 X 2 =
What is 8
Devon is trying to find the unit price on a 6-pack of drinks on sale for $2.99. His sister says that at that price, each drink would cost just over $2.00. Is she correct, and how do you know? If she is not, how would Devon’s sister find the correct price?
No, because it costs 2.99 for 6 drinks. Devon wanted to know how much for 2 drink, or 2.99/6.
It would cost .498 cents per drink or around .50 cents per drink. His sister did not think through the problem in order to determine the correct rate. She put the numbers in order, and mixed up her rate.
Value-Mart is advertising a Back-to-School sale on pencils. A pack of 30 sells for $7.97, whereas a 12-pack of the same brand costs $4.77. Which is the better buy? How do you know?
It costs 7.97 for 30 pencils with a rate of 7.97/30 and a unit rate of around .27 cents per pencil.
It costs 4.77 for 12 pencils with a rate of 4.77/12 and a unit rate of .40 cents a pencil.
The first one is better
DAILY DOUBLE
On a map, the perimeter of a park is 0.251 meters. The actual perimeter of the park is 1,000 times as
large. What is the actual perimeter of the park?
The park is 251 meters long in actual size.
DAILY DOUBLE
10 X 2 tens
What is 200
DAILY DOUBLE
Write 4 X 3 as an addition problem.
What is 4 + 4 + 4 =