Single variable
3+x=5
x=2
2+y+e=10
y=3
e=5
3+(2x3)=?
(2x3)=6; 3+6=9; ?=9
Tino watch 5 Youtube videos every day. How many Youtube videos did he watch a week?
1 week= 7 days
5x7=35
Conclusion: 35 videos a week
What is the other word for Bracket in BEDMAS?
Parentheses
4xy=36
y=9
n=2
o=6
3x4+5=?
?=17
Dad drinks 1 cup of home-made coffee a day, which costs only $2 to make. On Saturday, he buys coffee from a cafe, which costs $2.45. He doesn't drink coffee on Sunday. How much money does he spend on coffee in 2 weeks?
From Monday to Friday each week, he spends:
$2x5=$10
$10+$2.45=$12.45
$12.45x2=$24.9
Which means he spends $24.9 in 2 weeks.
What comes before Application in BEDMAS?
Multiplication.
56÷y=8
y=7
n+50+(ox2)=400
n=300
o=25
(17-2)÷3=?
?=5
Johny has $200 and he wanted to buy skateboards for him and his little sister. He went to the store and bought two skateboards that cost $70 each (luckily on sale). On the way home, he bought 2 Coca-Cola Cherry which costs him $3.98. how much money does he have left?
Skateboards: $70x2=$140
$140+$3.98=$143.98
$200-$143.98=$56.02
What is the second word in BEDMAS?
Exponent
(3+45)÷y=8
y=6
(n+600)o=2000
n=400
o=2
56+(23-4)=?
?=75
Sue is doing homework. She has to write 25 math problems. Each problem she spends 5 minutes to write, check the possibility of it and find the answer. She needs 1 minute to get an idea for a problem. How many hours does it take for her to finish the homework?
Each problem: 1+5=6 minutes.
25x6=150 minutes.
150÷60=2.5
It takes 2 and a half hours for her to finish.
If you Have to solve this problem: 4+2x3; what would you calculate first?
2x3
78÷2+(72-y)=103
y=8
(5+n)+(6+o)=16
n=3
o=2
58-43+(64÷8)=?
?=23
After doing homework, Sue received money and was told by her dad that she needs to take a rest and go buy ice cream. She bought five ice cream that costs 25 cents each. She also bought 4 Sprites which costs $2 each. When she paid for all of them, she has $0.75 left. How much money did she received from her dad?
¢25x5=¢125; ¢125÷ 100=$1.25
$2x4=$8
$1.25+$8=$9.25
$0.75+$9.25=$10
She received $10
What is BEDMAS for?