Multiplying Decimals
4.8 x 3
14.4
1/2 × 2/5
*be sure to simplify!*
1/5
5.17 / 1.0
5.17
1/2 / 1/2
1/2 x 2/1
2/2 = 1
What sign will your product have if you multiply a negative times a negative?
Positive
6.72
2/3 x 1/4
*be sure to simplify!*
1/6
2.2 / 1.2
2 2/10 / 1 2/10
22/10 / 12/10
22/10 x 10/12
220/120
11/6 = 1 5/6 OR 1.833
1/19 / 1 3/4
1/19 / 7/4
1/19 x 4/7
4/133
Turn the decimal into a fraction: 0.67712
67712/100,000
1.1 x 3.3
3.63
3/4 x 6/7
*be sure to simplify!*
9/14
-(8.9) / -(0.5)
8 9/10 / 1/2
89/10 * 2/1 =178/10
17 8/10
17 4/5 OR 17.8
2 2/3 / 10 1/2
8/3 / 21/2
8/3 x 2/21
16/63
What is the RULE when you are dividing fractions? *Tell me what each letter represents!
Keep Change Flip
KCF
-(3.1) x 8.2
-25.42
2/10 x 5/6
*be sure to simplify!*
1/6
1.76 / 0.04
1 76/100 / 4/100
176/100 / 4/100
176/100 x 100/4
17600/400 = 44
13/20 / 1/8
13/20 x 8/1
104/20
5 4/20
5 1/5
150/0 x 3/3
IMPOSSIBLE or UNDEFINED!
-(8.9) x -(0.5)
4.45
3 2/3 x 1 5/6
*be sure to simplify!*
6 13/18
-(0.22) / 3.15
-22/100 / 3 15/100
-22/100 / 315/100
-22/100 x 100/315
-2200/31500 = -22/315
8 1/4 / 6 3/4
33/4 / 27/4
132/108
1 24/108
1 2/9
How would you write 75 thousandths as a decimal?
0.075