Place Value
Each group of 3 place values is called a.... (Hint: think H.T.O.)
What is a period?
Factors that are prime numbers (hint: these are what you solve for in a factor tree)
What is a prime factor?
A multiple that is shared by one or more numbers
What is a common multiple?
Jahniya has 24 cinnamon buns and wants to arrange them in rows. How many different ways can she arrange them so there is equal numbers in each row?
8 different ways.
Solution: Factor 24. She can have:
24 rows of 1, 12 rows of 2, 8 rows of 3, 6 rows of 4, 4 rows of 6, 3 rows of 8, 2 rows of 12, and 1 row of 24
27 below 0 expressed as an integer.
What is -27?
The value that 4 represents in the following number:
18, 542, 339, 100
What is 40, 000, 000?
What is forty million?
The factors of 18
What are 1, 2, 3, 6, 9, and 18?
The LCM of 7 and 3
What is 21?
Hot dogs cost $4
Hamburgers cost $6
Nachos cost $8.
The school sold 120 hot dogs, 80 hamburgers, and 57 nachos. How much money did they make from sales?
The school made $1, 416.00 from sales.
Solution:
120 x 4 = 480
80 x 6 = 480
57 x 8 = 456
480 + 480 + 456 = 1,416
BEDMAS stands for this.
What is Brackets, Exponents, Division, Multiplication, Addition, Subtraction?
The value of the following decimal:
0.037
What is zero and 37 thousandths?
30 as a product of its prime factors.
What is 5 x 2 x 3?
The 7th multiple of 9
Neo works every 6th day. Sophia works every 4th day. Syryl works every 3rd day. How many days will they all work together in July? On what dates?
They will all work together twice in July. On the 12th and the 24th.
Solution:
Neo works: 6, 12, 18, 24, 30
Sophia works: 4, 8, 12, 16, 20, 24, 28
Syryl works: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
The following integers from greatest to least.
+6, -2, -12, 7, 0, -5
What is 7, +6, 0, -2, -5, -12?
The operation needed to solve the following problem:
167 students had a slice of pizza. Pizza costs $4 per slice. What was the total cost of all the pizza?
What is multiplication?
167 x 4 = $668
The factors of 64.
What are 1, 2, 4, 8, 16, 32, and 64?
The LCM of 3, 4, and 8
What is 24?
In 2007, 304 000 people visited the Science centre. 54 500 of these were students. How many of the visitors were not students?
249,500 visitors were not students.
Solution:
304 000 - 54 000 = 249 500
The value of the following expression:
18 + 4 x 4 - 5 =
What is 29?
The value of the following decimal:
4.00316
What is four and three hundred sixteen hundred thousandths?
A common factor shared by the following numbers:
18, 36, 54, 27, 63
What is 3?
What is 9?
96, 16, 32, and 48 are multiples of this number.
What is 8?
7 – 3 × 2 = W
3 × (2 – 1) = X
12 ÷ (3 × 2) = Y
6 + 2 ÷ 2 = Z
What is the sum of W, X, Y, Z?
13
Solution:
W = 1
X = 3
Y = 2
Z = 7
1 + 3 + 2 + 7 = 13
The value of the following expression:
2 x 6 + (8-3) / 5 =
What is 13?