Number Sense & Divisibility
What whole number is represented by 20 hundreds and 2 ones?
2,002
The sum of three consecutive whole numbers is 30 + 31 + 32. What number must be added to 29 + 30 + 31 to make the two sums equal?
3
A teacher has 40 students. Each book is shared by exactly two students. How many books are needed so that every student can share a book?
20 books
A polygon is a closed figure made of straight line segments. What is the smallest possible number of sides a polygon can have?
3 sides
Frank is the fifth person in a line of 44 people. How many people are standing behind Frank but in front of the last person?
38 people
Which of these quotients is a multiple of 3: 120 ÷ 3, 150 ÷ 3, 180 ÷ 3, or 210 ÷ 3?
180 ÷ 3 = 60
Find the value of (3 × 4 × 5 × 6) ÷ 15. .
24
A person climbs 12 trees each day. If there are 300 trees to climb, how many days will it take to climb all the trees?
25 days
Multiply the number of sides of a triangle by the number of sides of an octagon. The product is equal to four times the number of sides of another polygon. What is the name of that polygon?
Hexagon
Early Bird ate 36 worms. Some were fat and others were thin. If there were three times as many fat worms as thin worms, how many fat worms did Early Bird eat?
27 fat worms
What is the digit in the ones place of the product 79 × 79 × 79?
9
The sum 7 + 14 + 21 can be written as 7 multiplied by one number. What is that number?
6
One entire day plus 60 hours is equal to three entire days plus how many additional hours?
12 hours
A square has four equal sides and four right angles. How many pairs of parallel sides does a square have?
2 pairs
Two whole numbers have a product of 48 and a difference of 8. What is the sum of these two numbers?
16 (12 and 4)
Find the greatest multiple of 7 less than 1,000. What is the sum of its digits?
22 (994 → 9 + 9 + 4)
Complete the number sentence: 45 ÷ 3 = 3 × ___.
5
A bear eats 18 dozen bowls of honey every 48 minutes. If the bear continues eating at the same rate, how many bowls of honey will it eat in 8 hours?
2,160 bowls
Find the average of the following eight numbers: 1, 9, 11, 19, 21, 29, 31 and 39.
20
A piggy bank contains only nickels and dimes. There are exactly two more nickels than dimes. Which amount cannot be the total value: 25¢, 40¢, 55¢, or 75¢?
75¢
The first positive odd whole number is 1, the second is 3, and the third is 5. What is the 2,002nd positive odd whole number?
4,003
Divide 9,999 by 99. What number is 99 less than this quotient?
2
Each of 300 students played miniature golf on exactly two of the past five nights. What was the average number of students playing miniature golf each night?
120 students
Which letter of the English alphabet has four times as many letters before it as after it?
U
When 189 is divided by one of the following numbers, the remainder is NOT 3. Which divisor is it: 15, 31, 62, or 186?
15