Divide It!
5 divided by 2.5
2
3.2 x 2
6.4
Find the unit rate.
64 books on 8 shelves
8 books per shelf.
Which number goes inside the house?
Which number goes outside the house?
Dividend/first number in division equation (the 4 in 4/5)
Divisor/second number in division equation (the 5 in 4/5)
What are the three parts to a division problem?
What order do they go in?
Divisor / Dividend = Quotient
15/4
3.75
1.5 x 1.5
2.25
Find the unit rate.
26 toys for 13 kids
2 toys per kid
True/False
.53 / 4.8 has the same value as .053 / .048
false
How can you check that the quotient in a division problem is correct?
Multiply your quotient and divisor and it should equal your dividend.
400 / .004
100,000
37 x 14.2
525.4
Five gallons of gas for $25.50
$5.10
Which of these is will have the same value as 13.4 / 2.55?
A) 1.34 / 2.55 B) 1,340 / 2,550
C) 13,400 / 2,550 D) .0134 / .0255
C (Both dividend and divisor are 3 hops to the right)
multiplication of decimals
23.4 divided by 6.5
3.6
43.90 x 23
1,009.7
Which is cheaper?
5 footballs for 20 or 3 basketballs for $15
5 footballs (one football would be $4)
TWO PART QUESTION:
Which has the same value of 450/9?
A) 4.5/.9 B) 45/.9 C) 4500/900
Solve for the value
B
= 50
Name 3 fractions equivalent to 3/4
Examples:
1.5/2, 6/8, 9/12, 12/16, 15/20
158.55 divided by 3.5
45.3
2.54 x 3.13
7.9502
Find the unit price. (Round to nearest hundredth)
15 cupcakes for $14.30
$0.95
Why can we hop to any space right or left in both our dividend and divisor?
MUST BE SOMETHING ALONG THE LINES OF (and include power of ten):
Because multiplying a dividend and divisor by the power of ten will not change the quotient
Name 5 equivalent rates to 2:6
Examples:
1:3, 3:9, 4:12, 6:18, 8:24, 10:30