GCF
LCM
Absolute Value
Integers
More integers
Order
100
Find the greatest common (GCF) of 24 and 36
12
12X3=36
9X4=36
100
What do you call a hen who counts her own eggs?
A mathema-chicken!
100
l-7l
7
Absolute value is always positive. It is the distance from zero. If there is a negative sign outside of the absolute vlaue sign, the answer will be negative.
100
Which is a whole number?
a. -3
b. 5.7
c. 0
d. The square root of 2
A whole number is all of the natural (counting) numbers and 0.
100
Which numbers are irrational?
a. π (pi)
b. 4
c. 3.25
d. The square root of 10
a and d
100
Put these numbers in order from least to greatest.
-5, 7, 0, -2, 3
-5, -2, 0, 3, 7
200
What's a math teachers favorite kind of tree?
A geome-tree!
200
What are ten things you can always count on?
Your fingers!
200
-l-12l
-l-12l
-12
Absolute value is always positive. It is the distance from zero. If there is a negative sign outside of the absolute vlaue sign, the answer will be negative.
200
True or false
An integer is a rational number
True
200
Is -9 rational? Why or why not?
Yes, -9 is rational, because The integer "-9" is a rational number because it can be expressed as a fraction of two integers, with the denominator being non-zero. Specifically, -9 can be written as the fraction -9/1, where both -9 (the numerator) and 1 (the denominator) are integers, fulfilling the definition of a rational number.
200
Which number is smaller?
-12 or -8
-12
300
Factor the numbers 18 and 30. Then, state the GCF.
1x18 1x30
2x9 2x15
3x6 3x10
5x6
The largest number thT DIVIDES INTO 18 AND 30 IS 6.
300
Why can't a nose ever be 12 inches long?
Because then it would be a foot!
300
l-15l+6
l-15l+6
15+6
21
300
Give an example of a rational number between 5 and 6
Answers vary
5.1
5.3
5.7
5.9
300
Solve:
-5-(-9)
4
-5-(-9)
-5+9
4
300
Arrange these numbers from greatest to least?
14, 0, -4, 6, -10
14, 6, 0, -4, -10
400
What is the GCF of 54 and 72?
18 is the largest number that divide into 54 and 72.
400
Find the LCM of 9 and 15
45 is the smallest number 9 and 15 divide into.
400
l-l 20l-l 8 l 8 l
l -20 l - l 8 l
20-8
14
400
Which of the following are rational?
a. The square root of 25
b. The square root of 2
c. pi
d. 0.1010010001…
a. The square root of 25 is 5.
400
Solve:
-9-(-9)
0
-9-(-9)
-9+9
0
400
Which of these numbers is the greatest?
-20, -5, -9, -12
-5
500
Find the GCF of 40 and 64
The GCF of 40 and 64 is 8.
8 divides into 40 5 times.
8 divides into 64 8 times.
500
Find the LCM (Least Common Multiple) of 8 and 12.
24 Because
3x8=24
2x12=24
24 is the smallest number they both divide into.
500
Explain absolute value
Absolute value is the number of spaces from zero. It is always positive.
500
Why is
0.333…..(repeating) rational?
0.333...0.333 point point pointis a rational number because it can be expressed as the fraction
1/3 one-third.
500
20+(-5)
15
20+(-5)
20-5
15
500
Which number is greater?
-3 or -7
-3