Common Factors
List the common factors of 3 and 9.
What is 1 and 3?
What is the place value of the 8 in 839?
hundreds
What does the symbol ≤ mean?
less than or equal to
Consider the numbers12,4,-26,-15,7. Which number is least?
-26
What does 1,346 becomes when rounded to the nearest hundred?
1,300
What is -1 minus 3?
-4
Determine the first 4 terms in the pattern: Start at 6 and add 2 each time.
6, 8, 10, 12
This is the greatest common factor of 10 and 15.
What is 5?
Write a number with a 7 in the ones place, 6 in the hundreds place, and 2 in the tens place.
Which numbers make the inequality true?
12 > ___
0 12 13 -12 11
0, -12, 11
Consider the numbers 44,8,-16,-51,33 which number is the least?
-51
What does 0.285 becomes when rounded to the nearest tenth?
0.3
What is 0 minus 6?
-6
Describe the rule for the numerical pattern: 21, 30, 39, 48
increasing by 9
10 is the GCF of which 2 numbers?
a) 8, 10 b) 10, 26 c) 20, 30 d) 20, 40
c) 20, 30
Name the number that is in the place value of the 2 in 0.0002.
ten thousandths
On a number line, Ms. A is standing at -23 and Mrs. Dada is standing at -26. Who is standing farther to the left?
Mrs. Dada
Consider the numbers 81.29, -80.25, -59.22, -59.45, 58.3. Which number is greatest?
81.29
What does 65.798 becomes when rounded to the nearest ones?
66
What is 2 minus 3?
-1
Fill in the blanks in the pattern: 108, ____, ____, 72, ____, 48, ____, 24
36, 60, 84, 96
Create 3 numbers whose GCF is 4.
4, 8, and 12
Write a number that represents the phrase below:
Nine ones, three hundredths, two hundreds, one tenth, and zero tens
209.13
Which numbers make the inequality true?
______ ≤ -22
-32 -14 -23 -22 22 0
-32, -23, -22
Which of the following is the smallest? 2.05, 2.15, 2.005, 2.55, 2.50, 2.505
2.005
Which of the following round to 111.2 when rounding to the tenths place? 111.29, 111.455, 111.245, 111.268
111.245
What is 1 minus -8?
Fanta starts with $500 in her savings account
and adds an additional $150 monthly. Write
a sequence to model the amount of money in
her savings account over the next 6 months.
$650, $800, $950, $1,100, $1,250, $1,400
Kirby says that 9 and 17 do not have a greatest common factor. Is she right or wrong? Why?
She is wrong because 1 is their GCF.
5735.00032895
What is the place value of the 9?
ten millionths
Place the above numbers in the spaces below:
-87 78 0 -39
____ ≤ _____ ≤ ______ ≤ _____
-87 ≤ -39 ≤ 0 ≤ 78
Which of the following is the greatest? √9,√27, √81, √39, √33, √45
√81
Which of the following rounds to 2,300 when rounded to the hundreds place? 2,320; 2,393; 2361; 2,370
2,320
What is -2 minus -16?
14
Describe the rule for the numerical pattern:
-14, ____ , 0, 7, ____ , 21,
increasing by 7
Mrs. Dada wants to share treats with her students. She has 40 juice boxes and 16 granola bars. She wants each student to have an equal amount of each treat. What is the greatest number of students Mrs. Dada can have to share in an equitable way? Explain.
8 students because 8 is the GCF of 40 and 16
213,376,028.4085
What is the product of the digit in the ten thousands place and the ten thousandths place?
35
A number is less than or equal to -2 and greater than -13. What is the largest possible integer value this can be?
-2
Which of the following are the least and the greatest number? 3/4, -4/7, 11/14, 18/21,1
-4/7 and 1
What does 21.346 become when rounded to the nearest tenth?
a)21.4; b)21.5; c)21.3; d)21.35
c)21.3
What is -12 minus -89?
77
-3, 9, ____, 81, -243, ...
Mychal says the missing term in the
sequence above is 21 because -3 + 12 = 9,
and 9 + 12 = 21. Are they correct? Explain.
No, the missing term is -27. Each term is multiplied by -3.
Find the greatest common factor of all the numbers below.
36, 72, 162, 222, 96
6
17,892,570.02307
Eto multiplied the digit in the thousands place with the digit in the ten millions place, and got 14 as his product. Did he do it correctly? If so, explain his work. If not, explain what the possible error might have been.
No, the product should be 2. He multipled the digit in the thousands place with the digit in the millions place.
A number is at most -2.
Write an inequality to describe this.
x ≤ 2
Which of the following are the least and the greatest number? 13, -5/8 , 16.6, -21, 0.76, 5/12
-21 and 16.6
Which of the following rounds to 1,200 when rounded to the hundreds place? 1,290; 1,250; 1,282; 1,197
1,197
What is -202 minus -189?
-13
1, 1, 2, 3, 5, 8, 13, 21, ...
Describe the pattern above. Find the next
number in the pattern.
The next number is found by adding up the two numbers before it. 13 + 21 = 34 (This is called the Fibonacci Sequence!)