Fraction Operations
When adding and subtracting fractions, what must you need in order to solve?
A. Nothing. Add or subtract across.
B. Convert mixed numbers to fractions.
C. Common denominators
D. Common numerators
C
When adding and subtracting decimals, what's the most important thing to remember?
A. Add or subtract at your leisure
B. Line up the decimal
C. Line up the place value
D. Both B and C
D.
What is the opposite of 10?
How would you represent this situation as an integer?
A falcon flies 500 feet into the air.
Melanie earns $12.50 per hour working at the grocery store. On Saturday, she worked for 5 hours. How much money does she earn on Saturday?
What equation can we set up to solve this problem?
12.50 x 5
When multiplying fractions, what's the strategy to solve?
A. Find common denominators and then multiply
B. Cross multiply
C. Multiply by the reciprocal of the divisor
D. Multiply across
D
When dividing decimals, what part of the division cannot have a decimal to solve?
A. Dividend
B. Divisor
C. Quotient
D. Decimals can be anywhere.
B.
Which of the following is NOT an example of an integer?
A. 5,900
B. -12
C. 0
D. 20 1/2
D.
Create one equivalent fraction for 4/7
Answers will vary.
Daniel had $224.00 in his bank account before he wrote a check for $85.00. How much is in his account now?
What equation would we use to solve this problem?
When dividing fractions, what's the strategy to solve?
A. Divide across.
B. Multiply by the reciprocal of the divisor
C. Multiply by the reciprocal of the dividend
D. Multiply by the reciprocal of both the dividend and divisor
B
When multiplying decimals, how do you determine where to put the decimal in the product?
A. Line up the decimal in product
B. Make a lucky guess
C. Count the total number of decimal places in factors.
D. Get rid of the decimal in final answer.
C.
Mr. Parrino went to the bank and withdrew $500 from the bank. How would you represent this situation as an integer?
-500
How would you represent this situation as an integer?
A swimmer floats on the surface of the water
0
Rudy’s Quick Stop was selling gasoline for $1.71 per gallon. The Super 6 Gas Depot was selling gasoline for $1.69 per gallon. What was the difference in price per gallon between the two stations?
What equation would we use to solve this problem?
$1.71 - $1.69
When multiplying or dividing mixed numbers, what must we do with the mixed number before we solve?
Convert to improper fractions
In the expression 56.78 - 4, under what digit would we put the 4 to subtract correctly?
A. 5
B. 6
C. 7
D. 8
B.
How can you tell a number's opposite? Explain. Be specific.
Both the number and its opposite would be the same distance away from 0.
Which is greater? -4 or -2? Explain.
Ms. Garcia is making vests for the school’s pep squad. She has a piece of fabric that is 1,238 centimeters long. Each vest needs 64 centimeters of fabric. How many vests can she make?
1,238 divided by 64
7 1/2 x 3 2/3
27 3/6 or 27 1/2
When you multiply 55.2 x 6.4 you get a product of 35328 without the decimal. Where would you put the decimal in the product for it to be correct?
A. 3.5328
B. 35.328
C. 353.28
D. 3532.8
C.
What is NOT true about integers?
A. They can be positive or negative in value
B. They do NOT include fractional parts
C. They do NOT include 0
D. They do NOT include decimal parts
C. Integers are positive, negative, or 0 without fractional or decimal parts.
Order from least to greatest
22, -20, -3, 1
Ms. Wilson plans to meditate for 180 days. So far, she has completed 2/3 of her goal. How many days has she meditated so far?
What equation would we use to solve?
2/3 x 180