SIMPLIFY!
1) 50/100 divided by 50 = 1/2. 2) 30/150 divided by 30 = 1/5 3) 6/96 divided by 6 = 1/16
4) 17/51 divided by 17 = 1/3
ADD AND SUBTRACT!
1) 5/15 + 2/30 2) 4/16 + 2/3 3) 3/4 - 1/5 4) 2/4 - 2/20
= 10/30 + 2/30 = 12/48 + 32/48 = 15/20 - 4/20 = 10/20 -2/20
= 12/30 = 44/48 = 11/20 = 8/20
= 2/5 = 11/12 = 2/5
MULTIPLY AND DIVIDE
1) 2/6*1/5 2) 9/10*4/7 3) 5/8 / 2/3 4) 8/9 / 3/5
= 2/30 = 36/70 = 5/8*3/2 = 8/9*5/3
= 1/15 = 18/35 = 15/16 = 40/27 = 1 13/27
CONVERT INTO DECIMALS AND PERCENTS!
1) 7/8 2) 18/20 3) 850/1000 4) 6750/10000
7/8*100% = 87.5% 18/20*100% = 90% 850/1000*100% = 85% 6750/10000*100% = 67.5%
7/8 = 0.875 18/20 = 0.9 850/1000 = 0.85 6750/10000 = 0.675
So, how did you do on the quiz??
1) 50/100 divided by 50 = 1/2. 2) 30/150 divided by 30 = 1/5 3) 6/96 divided by 6 = 1/16
4) 17/51 divided by 17 = 1/3
ADD AND SUBTRACT!
1) 5/15 + 2/30 2) 4/16 + 2/3 3) 3/4 - 1/5 4) 2/4 - 2/20
= 10/30 + 2/30 = 12/48 + 32/48 = 15/20 - 4/20 = 10/20 -2/20
= 12/30 = 44/48 = 11/20 = 8/20
= 2/5 = 11/12 = 2/5
MULTIPLY AND DIVIDE
1) 2/6*1/5 2) 9/10*4/7 3) 5/8 / 2/3 4) 8/9 / 3/5
= 2/30 = 36/70 = 5/8*3/2 = 8/9*5/3
= 1/15 = 18/35 = 15/16 = 40/27 = 1 13/27
CONVERT INTO DECIMALS AND PERCENTS!
1) 7/8 2) 18/20 3) 850/1000 4) 6750/10000
7/8*100% = 87.5% 18/20*100% = 90% 850/1000*100% = 85% 6750/10000*100% = 67.5%
7/8 = 0.875 18/20 = 0.9 850/1000 = 0.85 6750/10000 = 0.675
So, how did you do on the quiz??