Math Questions & Answers

Transcription

1 What five coins add up to a nickel? five pennies ( = 5) Which is longest: a foot, a yard or an inch? a yard (3 feet = 1 yard; 12 inches = 1 foot) What do you call the answer to a multiplication problem? the product How many zeros are in the number one million? six (6) Simplify the fraction 32/8. 4 How do you represent the fraction 3/4 as a decimal?.75 Find the fraction that is not equivalent: 1/3, 6/18, 7/20, 9/27. 7/20

2 What two coins add up to 15 cents? a dime and a nickel ( = 15) How many items are in a half-dozen? six (6) Does a glass hold more when it s half full or two-thirds full? two-thirds full How many minutes before 4:00 is 3:40? 20 minutes What does the Roman numeral X stand for? ten (10) Subtract 150 from 9,000. 8,850 If 4 out of 20 students in a class are girls, what percentage is that? 20%

3 How many sides does a square have? four (4) Carlos is 8 years old. In 10 years, how old will he be? 18 (8 + 10) Would you measure the Empire State Building in inches or feet? feet What is the sum of 3/4 and 3/4? 1 1/2 Which weighs more: a pound of iron or a pound of feathers? Each has the same weight: 1 pound. Give the Roman numerals for the number 800. DCCC If 2 is a whole number, what do you call 2 1/2? a mixed number

4 How many minutes are there in one hour? 60 Count by threes to find the next number: 3, 6, 9, 12,...? 15 How many groups of 9 are in 63? 7 (63 9 = 7; 9 x 7 = 63) A potato has 90 calories. A yam has 155. How many more calories are in the yam? 65 ( = 65) Add these times together: 3 hours, 32 minutes plus 3 hours, 20 minutes. 6 hours, 52 minutes The second-hand bike cost $100. Then the price increased by 15%. What does the bike cost now? $115 (100 x.15 = 15; = 115) How much is 3³ (3 cubed)? 27 (3 x 3 x 3 = 27)

5 How much is ? 9 What do 1 dime and 4 pennies add up to? 14 cents ( = 14) Which is the same as two tenths: one-fifth or one-third? one-fifth How many pints are in 11 quarts? 22 (1 quart = 2 pints) We waited 50 minutes on line. The movie lasted 130 minutes. How many hours in all? 3 hours What number do you have to divide by 10 in order to get.4? 4 If a number is divisible by 10, is it also divisible by 2? yes

6 How much is 3 + 5? 8 What number comes next: 20, 25, 30,...? 35 Divide 25 by 5. 5 Subtract 200 from How do you find the length of a rectangle? multiply the length by the width How many dozen cookies in a gross? 12 dozen (144 in all) What percent of 10 is 9? 90%

7 Steve found 4 shells. Rich found 3 shells. Who has more shells? Steve Mary has 3 boxes of candy. Each box weighs 1 pound. How many pounds of candy does Mary have altogether? 3 pounds ( = 3) On a Celsius thermometer, at what temperature does water boil? 100 degrees Round $ to the nearest hundred dollars. $ Round the number 4,532 to the nearest thousand. 5,000 What s the total number of degrees in any triangle? 180 A team won 3 games and lost 8. What s the ratio of wins to losses? 3 to 8, or 3:8

8 It s 8 o clock. What time will it be in 2 hours? 10 o clock Is 78 greater or less than 65? greater Subtract 6 from What decimal would you add to 0.7 to make 1.0? 0.3 ( = 0.3) If I pay 6% sales tax on an item that costs $10, what s my total bill? $10.60 (10 x.06 =.60; = 10.60) The angles of a square add up to how many degrees? 360 (90 x 4 = 360) 6y = 42. How much is y? 7 (42 6 = 7)

9 How many days are in a week? seven (7) Sue has saved 2 dollars, 1 dime and 2 pennies. How much money does she have? $2.12 ( = 2.12) Out of 20 games, our team won 10 and lost 4. How many games ended in a tie? 6 (10 4 = 6) What is the decimal for 7 hundredths?.07 What fraction of one pound is 8 ounces? 1/2 (1 pound = 16 ounces) Find the value of n in the equation 5n = (5 x 8 = 40 or 40 5 = 8) Which is a greater weight: 857 grams or 1 kilogram? 1 kilogram (1 kilogram = 1,000 grams)

10 What coin is worth the same as 25 cents? a quarter The candy bar is cut in half. How many pieces are there? two (2) Which number is greater: the product of 3 x 3 or the sum of 3 + 3? the product of 3 x 3 (3 x 3 = 9; = 6) Round the number 256 to the nearest hundred. 300 Donald finished 75% of the 12 problems on his math test. How many problems did he finish? 9 (.75 x 12 = 9) Which is a longer period of time: 3 hours or 175 minutes? 3 hours (60 minutes x 3 hours = 180 minutes; 175 minutes = 2 hours, 55 minutes) Name the line that divides a circle in half. the diameter

11 Counting backward, which number comes next: 8, 7, 6,...? 5 Jerry sat in the third row and Ann sat in the fifth. Who was farther back in the room? Ann What is 72 divided by 9? 8 If I collect 15 baseball cards every month, how many will I have in 10 months? 150 (15 x 10 = 150) The temperature was -10 degrees. It rose 12 degrees. What s the new temperature? 2 degrees above zero ( = 2) Say the prime numbers in this series: 2, 3, 4, 5, 6. 2, 3, 5 Which is greater: 1/3 of 36 or 1/4 of 44? 1/3 of 36 (12 is greater than 11)

12 What number comes before the number 1? zero (0) How much is 5 tens and 6 ones? 56 Sam s music lesson was at 3:30 p.m. He was 15 minutes late. What time did he arrive? 3:45 p.m. What operation in math is the opposite of multiplication? division How many months in 3/4 of a year? 9 (12 x 3/4 = 9) What do you call the longest side of a right triangle? the hypotenuse How many eighths are in the number 5? 40 (5 1/8 = 40)

13 What does a minus sign tell you to do? subtract What number comes just after 600? 601 Beth s baby sister is 1 1/2 years old. How many months old is she? 18 months old Bill gave Lynn 5 coins that totaled 77 cents. What were the coins? 3 quarters and 2 pennies ( = 77) What mixed number do you get when you add 3/5 and 3/5? 1 1/5 (6/5 = 1 1/5) To calculate the interior size of a rhombus, do you find the area, diameter or radius? the area It s 7 miles to the train, then another 33 miles to town. How long is the round trip? 80 miles ( = 40; 40 x 2 = 80)

14 Alice had five oranges. She gave one to Ned. How many oranges does she have now? 4 (5 1 = 4) Is 55 an odd number or an even number? an odd number Which fraction is less: 2/5 or 4/5? 2/5 (two-fifths) What fraction of 30 is 10? 1/3 What do you call the distance around the outside of a circle? the circumference What do you call the result of dividing one number by another? the quotient What numbers are factors of 12? 1, 2, 3, 4, 6, 12

15 Which number is greater: 46 or 48? 48 How much is ? 30 How many sides does a cube have? six (6) Round the number 869 to the nearest ten. 870 How many angles does a quadrilateral have? four (4) How do you calculate the perimeter of a rectangle? Add the sum of its 4 sides. If a hat that costs $30 is discounted by 15%, what s the sale price? $25.50 (30.00 x.15 = 4.50; = 25.50)

16 What number comes just after 19? 20 What is 7 minus 0? 7 If you buy a gallon of apple juice, how many quarts will you have? four (4) Ted has a quarter and 8 pennies. Ned has 3 dimes and a nickel. Who has more? Ned (35 cents is worth more than 33 cents) Express the fraction 3/4 as a percent. 75% How many degrees in a right angle? 90 degrees Is the endpoint of an angle called a segment, a vertex or a ray? a vertex

17 We bought 10 bananas and ate 5. How many do we have left? 5 (10-5 = 5) Counting backward, what two numbers are next: 150, 149, ? 147, 146 If you give 3 friends 5 cookies each, how many cookies is that total? 15 (3 x 5 = 15) Which is the same as 10 centimeters: a meter or decimeter? a decimeter If you add 9 to this number, you get 56. What is the number? 47 (56-9 = 47) Your chances of winning are 1 in 10,000. How many others might win instead of you? 9,999 If x 5 = 3, what s the value of x? 15 (5 x 3 = 15)

18 How many hours are in a day? 24 How many days are in a year? 365 What are the even numbers between 10 and 20? 12, 14, 16, 18 How many inches are in a foot and a half? 18 inches ( = 18) What multiples of 3 fall between 31 and 43? 33, 36, 39, 42 What s the sum of ? [new] is 80% of what number? 60 (48.80 = 60)