ID 487

  K7Which gives the largest answer?

ID 489

  K7What is 0.6 multiplied by 2000?

ID 490

  K7Jess multiplied a number by itself and got 625.

What was the number?

ID 491

  K7Which of these expressions gives the smallest answer?

ID 492

  K7What is three quarters of $200?

ID 495

  K7Which is the smallest?

ID 496

  K7What is 0.6 multiplied three times by 200?

ID 519

  K7Which gives the largest answer?

ID 530

  K7What would result in the largest number?

ID 531

  K7Which of these expressions gives the smallest value?

ID 533

  K7Choose the most appropriate answer for John's height:

ID 559

  K721001 – 21000 = ?

ID 578

  K7What is the smallest number that is evenly divisible by all of the numbers from 1 to 10?

ID 579

  K7Find the smallest positive integer that must be added to 2010 in order to obtain a perfect square (a square of an integer).

ID 786

  K7Which gives the largest answer?

ID 1245

  K7If you replace a, b, c and d with the numbers 1, 2, 3 and 4, what is the largest possible sum of the fractions?

ID 1257

  K7Which point best represents the value of C divided by B?

ID 1409

  K7How long is the golden chain with 8 links?

ID 1434

  K7Add up all the digits of each license plate without using a calculator.

Find the plate with the largest total.

Remember, there may be more than one correct answer.

ID 1677

  K7Divide $123 into the ratio 1:2:3.

What is the smallest part of the ratio?

ID 1700

  K7 In order to earn an A, students need to score at least 90% on the final test.

Who did not obtain an A in the class?

ID 1758

  K7This is a standard set of dominoes.

How many spots are there on the dominoes?

ID 1841

  K7Ann has $999 and Bill has $1,111.

How much money does Bill need to give to Ann, so that they would have the same amount of money?

ID 1844

  K7I add three different numbers chosen from the following numbers: 1, 2, 3, 4, 5, 6.

How many different sums can I get?

ID 1852

  K7What is the difference between the sums of the twenty largest and twenty smallest two-digit numbers?

ID 1853

  K7The product of two different whole numbers is 133.

What is the smallest number?

ID 1866

  K7How many positive whole (integer) numbers containing no zeros have the sum of their digits equal to 4?

ID 1902

  K7What is the product of the two largest 2-digit different numbers?

ID 2024

  K7What is the largest integer number that satisfies this condition:

each digit from the second is double the preceding digit?

ID 2099


Anna has 100,000 strands of hair with an average length of 40 cm or 1.31 ft.

How long is her hair?

Remember 1 km = 1000 meters = 100,000 cm = 0.62 miles

ID 2162

  K7The deadline for a project was originally Wednesday, September 17th.
The deadline was then changed to 48 days later.

What day of the week is the new deadline?

ID 2260

  K7Using eight eights and addition only, please make 1000.

How many times do you use the plus sign?

ID 2279

  K7What is the answer if you divide 123 by 1/8 and then divide the result by half the original number?

ID 2859

  K7Which fraction is equivalent to four-twelfths?

ID 2875

  K7Which of these expressions gives the largest value?

ID 2892

  K7What is the ratio of the number of brown pieces to the total number of pieces?

ID 2904

  K7If 1 gram of grass seed is needed to plant 1 square meter, how much grass seed will be needed to plant an entire field that is 110 meters long and 70 meters wide?

ID 2994

  K7Which gives the largest answer?

ID 3019

  K7Captain Hook has two pieces of rope.
One piece of rope is 84 meters and the other is 108 meters. He plans to cut the rope into pieces of equal length, with no rope left over.

What is the greatest possible length of each piece?

ID 3109

  K7Which gives the largest answer?

ID 3217

  K7Find the sum of the integers from -2015 through +2017, inclusive.

ID 3348

  K7Divide $132 into a ratio 1:2:3.

What is the smallest part?

ID 3422

  K7John's heart beats at a rate of 65 beats a minute when he is awake and 50 beats a minute when he sleeps (8 hours).

How many times does his heart beat in twenty-four hours?

ID 3442

  K7Each of four children chose one of the following numbers: 1, 2, 3, 4.
They then multiply the chosen numbers.

Which number cannot be the product of those numbers?

ID 3445

  K7Which number is halfway between 1/8 and 1/10 ?

ID 3546

  K7Bill has 7/8 of a melon.
He eats 1/3 of the original melon at breakfast.

What fraction of the original melon does he have left?

ID 3549

  K7Put a plus sign or a multiplication sign between the following numbers to make the largest possible result.

How many times do you use the plus sign?

ID 3559

  K7Which is the largest number?

ID 3620

  K7Which number comes next?

0, 1, 1, 2, 3, 5, 8, 13, 21, 34

ID 3627

  K7What is 4 1/2 divided by 3/4?

ID 3703

  K7Which result has more zeros?

ID 3731

  K7Which number comes next ?

2 3 5 7 11 ?

ID 3799

  K7What is the number is indicated by A on the ruler?

ID 3947

  K7If there are only 2 fields on the dartboard with 5 and 7 points, how many times must you throw your darts to score 32?

ID 4016

  K7Which number is missing on the number line?

ID 4100

  K7How many pages do I turn over to go from page 33 to page 66?

(Odd numbered pages are on the right.)

ID 4105

  K7Change 3/8 to a decimal.

ID 4202

  K7How many cells contain a number that is greater than 0.25?

ID 4461

  K7Find the result.

ID 4598

  K7A shop owner uses the same wheels for tricycles and bicycles.

How many bicycles and tricycles can he assemble from 77 wheels if he always produces twice as many bicycles?

ID 4827

  K7How many counting numbers are there from 123 to 321 including these numbers?

ID 4881

  K7What number is one half of one tenth of one fifth of one tenth of one thousand?

ID 4983

  K7How many zeros are there at the end of the number

55555 x 444444 x 33333 x 22222 x 11111 ?

ID 5005

  K7Find the odd number out.

ID 5054

  K7What is the difference between the biggest and the smallest four-digit integers each formed by different digits?

ID 5093

  K7If you count from 1 to 100, how many 7's will you pass on the way?

ID 5144

  K7Find the sum of the numbers.

ID 5379

  K7The maximum capacity of the Wembley Stadium, London, England, is 90,000.
The stadium contains 2,618 toilets, more than any other venue in the world.
There are 78,540 people in the stadium now.

How many more people are able to see the concert before it reaches capacity?

ID 5415

  K7Find the product of the numbers in the colored balls.

ID 5488

  K7Find the sum:

55555 + 33333 + 22222

ID 5551

  K7Factors are whole numbers you can multiply together to get another number.

Find the largest positive factor of 999 except itself.

What is the sum of its digits?

ID 5597

  K7The number 6 has exactly four positive divisors: 1, 2, 3, and 6.

What is the smallest number that has 6 positive divisors?

ID 5632

  K7What is the product of 123 and 321?

Can you count without a calculator?

ID 5729

  K7The Locarno Film Festival is a famous event held in Switzerland. The Piazza Grande is converted into an 8,000 seat open-air cinema every night. Two films are screened, one at 21:30 and the other at 23:30, with most seats usually being sold.

Estimate how many people are expected to visit the venue daily if 80% of them watch one film and 20% - two films.

ID 6100

  K7What is the difference between the smallest 6-digit number and the largest 4-digit number?

ID 6486

  K7What gives the smallest number?

ID 6633

  K7A pack of 500 paper sheets is 6cm thick.

Estimate the number of sheets in a pile 1m high.

1m = 100cm = 1,000mm

ID 6761

  K7Present 10 as a sum of positive whole numbers such that their product is at its maximum value.

What is the product?

ID 6911

  K7We form shapes with squares 1 cm high.

The first four stages of a sequence are shown in the picture.

What is the perimeter of the seventh stage in the sequence?

ID 7005

  K7What is one fifth of one third of one half of 300?

ID 7020

  K7Which number represents the smallest amount?

ID 7048

  K7We perform a multiplication

9 x 10 x 10 x 10 x 10 x ... x 10 = ?

The triple dots ( ... ), known as an ellipsis, means there are some tens missing from the equation.

Suppose there are a total of 100 tens in the equation.

How many noughts are there in the result?

Author: Leslie Green

ID 7061

  K7What is the sum of N consecutive integer numbers, the average of which is N?

N is an odd number.

ID 7126

  K7A bouquet of 9 garden roses costs $7.47

What is the unit price?