Operations
6 × 15 = __
90
A ______ of n is the product of n and a whole number.
multiple
1 pound (lb) = ____ ounces (oz)
16 ounces (oz)
Find the three numbers that are multiples of 9.
18 26 54 81 96
18, 54, 81
Where should the parentheses go to make this a true equation?
10 + 6 ÷ 2 x 3 + 4 = 25
Where should the parentheses go to make this a true equation?
10 + (6 ÷ 2) x 3 + 4 = 25
56 is 8 times as many as ____________.
7
The whole numbers that you multiply to get other numbers are called ______.
Factors
4 kilometers (km) = _____ meters (m)
4000 meters (m)
Find all the factor pairs of 42.
1 x 42
2 x 21
3 x 14
6 x 7
Noel adds a multiple of 6 to a multiple of 7 and gets 59. What two numbers did Noel add?
24 and 35
Sebastian buys 3 shirts and 4 pairs of socks. Each shirt costs $16 and each pair of socks costs $7. How much money did Ellen spend?
76
Define prime numbers.
A prime number is a number with exactly two factors, 1 and itself.
A rectangle has an area of 90 square inches. The rectangle is 6 inches wide. How long is the rectangle, in inches?
20 inches long
4 is a _______________________ of 100.
(factor/multiple)
factor
Sammie has 5 feet of string. She cuts the string into pieces. Each piece is 3 inches long. How many pieces of string did Sammie make?
20 pieces of string.
20 ÷ 8=
Quotient: ____2____
Remainder: ___4_____
The quotient is how many times the divisor can be subtracted from the dividend or how many full groups you can make. The remainder is how much is left over.
Levi goes on two long walks. The first walk lasts 2 hours and 26 minutes. The second walk lasts 3 hours and 12 minutes. How many total minutes does Levi spend walking?
338
What are the 3 prime numbers between 80 and 100?
83, 89, 97
Tamara picks a number n. When she divides 59 by n, she gets a remainder of 3. List all possible values of n.
4, 7, 8, 14, 28, 56
Six friends split a bag of candy. Each friend takes the same amount of candy, and there is 1 candy leftover. Choose the 2 numbers below that could be the amount of candy in the original bag:
31 33 35 37 39
31, 37
A ________ is the difference between two successive primes.
prime gap
Robert has 4 pounds of pizza dough. Each pizza needs 4 ounces of dough. How many pizzas can Robert make using the dough?
16 pizzas.
Marie subtracts one prime from another and gets 12. What number will Marie get when she adds the same two prime numbers?
19+7=26
When 50 blocks are stacked in piles of 3, there are 16 complete stacks and 2 blocks left over. If 50 blocks are stacked in piles of 6, how many complete stacks are there, and how many blocks will be left over?
8 stacks, 2 left over