Is "452" a digit? Why or why not? If it is not a digit, what is it?
"452" is not a digit because it is a multi-digit number. "452" is a three-digit number.
100
What is 450,000 + 120,000? (Use the quick trick way)
570,000
100
What is eight thousand, twelve when rounded to the nearest ten?
8,012 = 8,010 when rounded to the nearest ten
100
What are the factors of 24?
24: 1,2,3,4,6,8,12,24
100
What is 68,720 in expanded form?
60,000 + 8,000 + 700 + 20 + 0
200
What is 23,548 written in word form?
twenty-three thousand, five hundred forty-eight.
200
What is 50,000,000 x 3? (use the quick trick way)
150,000,000
200
What is sixteen thousand, eight hundred fifty-four when rounded to the nearest hundred.
16,854 = 16,900 when rounded to the nearest hundred.
200
1. Is 3 a factor of 39?
2. Is 39 a multiple of 3?
1. Yes, because three divides evenly into 39.
3 x 13 = 39
2. Yes, 39 is a multiple of 3.
200
__________ is 100 less than 85,032
84,932
300
What is 36,209 in expanded form?
30,000 + 6,000 + 200 + 00 + 9
300
In addition, the answer is called the ________.
In subtraction, the answer is called the _________.
In multiplication, the answer is called the _________.
In division, the answer is called the ________.
sum
difference
product
quotient
300
Round to the nearest hundred and estimate
1,390 - 250 + 849
1,400 - 300 + 800
1,100 + 800 = 1,900
300
What are the common factors of 25 and 45?
The common factors of 25 and 45 are: 1,5
25: 1,5,25
45: 1,3,5,9,15,45
300
What is a factor?
Give an example
A factor is any number that can be multiplied by another number to make a product.
Example: 2 x 3 = 6
2 and 3 are factors of 6
400
Complete the following number pattern:
23,804 ; 23,904 ; _________ ; _________ ; _________
24,004 ; 24,104 ; 24,204
400
What is 20,000 divided by 5? (use the quick trick way)
4,000
400
Round these numbers to the nearest ten, then write the numbers in increasing order:
432 ; 450 ; 399 ; 368 ; 412
What are the first three common multiples of 3 and 4?
The first three common multiples of 3 and 4 are: 12,24,36
3: 3,6,9,12,15,18,21,24,27,30,33,36
4: 4,8,12,16,20,24,28,32,36
400
Is 24 a common multiple of 3 and 4?
Yes, because 3 is a factor of 24 (3 x 8 = 24) and 4 is a factor of 24 (4 x 6 = 24).
500
Write the following numbers in increasing order:
4,970 ; 14,032 ; 4,968 ; 12,523 ; 4,821
4,821 ; 4,968 ; 4,970 ; 12,523 ; 14,032
500
What is 2,540,000 - 970,000?
1,570,000
500
Tom has about $800 when rounded to the nearest $100. Which of the following could be the actual amount of money Tom has?
$745 ; $780 ; $895 ; $850 ; $805 ; $819
Tom could have: $780 ; $805 ; $819
500
Is 56 a multiple of 8?
Yes, because 8 is a factor of 56 (8 divides evenly into 56).
500
What is twelve thousand, eight hundred three written in figures?