Arithmetic With Whole Numbers and Money
5($.65)
$3.25
Use the numbers 4 and 5 to illustrate the Commutative Property of Addition
4 + 5 = 5 + 4
List all of the common factors of 30 and 40
1,2,5,10
Turn 85% into a fraction in lowest terms
85/100= 17/20
Solve:
13 1/4 x 2 4/5
37 1/10
When the sum of 5 and 6 is subtracted from the product of 5 and 6, what is the difference?
19
Explain the Zero Property of Multiplication
When a number is multiplied by zero, the product is zero
Which numbers are factors of 25?
1, 5, 25
Turn 23% into a fraction
23/100
Solve:
2 1/4 + 3 3/5
5 17/20
Find the next 3 numbers in the sequence:
1,4,9,16...
25, 36, 49
Explain the Identity Property of Multiplication
When a number is multiplied by 1, the number equals itself
Which numbers are factors of 23?
1, 23
Turn 20% into a fraction in lowest terms
20/100 = 1/5
Solve:
9 2/5 - 6 1/3
3 1/15
75,000 in expanded notation
(70x1000) + (5 x 1000)
When zero is added to a number, the number equals itself
1, 2, 4
Turn 40% into a fraction in lowest terms
40/100 = 2/5
Solve:
22 1/8 / 22 1/8
1
If a equals 15 and b equals 3, what does ab equal?
45
Explain an inverse operation
Addition and subtraction are inverse operations. You cannot add 2+3 = 5 then turn around and subtract 5 - 3 and get the same number.
What is the GCF (Greatest Common Factor) of 24 and 40
8
What is .002 as a percent?
.2%
14 2/5 X 5 3/5
80 16/25