single variable
x+7=13
x=?
x=6
x+y-2=8
x=6
y=?
y=4
2+8 x 3=?
26
Tina have five pencils, but her sister gave at her three more pencils. how many pencils does she have now? (this Question is very easy!!)
8 pencils.
What is meaning of B in BEDMAS?
brackets.
y-5=47
y=?
y=52
6+x-y=9
x=7
y=?
y=4
5+2-3 x 2=?
1
Daniel want to go library for borrow some books and buy waters at mart. he decide ride bike to go mart and library. Daniel have to ride bike 15 minutes for go mart, and ride double minutes to go library. how much minutes does he take times for go to mart and library?
45 minutes.
What is meaning of D in BEDMAS?
divide.
8+x-9=1
x=?
x=2
x-y+3=43
x=81
y=?
y=41
40-6(2+3)+5=?
15
Tom want to buy seven tape measures. but the store sell five tape measures for each box.
The store said they would give two more tape measures when he did the event. He had an event and got two more tape measures. How many tapes does he have now?
7 tape measures.
What is BEDMAS?
acronym to help remember an order of operations in algebra basics.
7 x y-5=9
y=?
y=2
9(3-1)-y= 13
y=?
4(3+5)-6=?
26
Lisa always eat two oranges each days. how many oranges does she eat in ten days?
20 oranges.
Make one expression that use BEDMAS.
EX) =3+5(9-2) Do the inside bracket (parentheses) first.
=3+5 x 7 Do the remaining bracket.
=3+35 Do the plus.
=38
x+7 x 8=60
x=?
x=4
6(8-2)+x=40
x=?
x=4
56-2(23-17)+6=?
52
Sidney make 42 cookies and 18 chocolates for her friends. she will impart her cookies and chocolates. If one person get three cookies and two chocolates, how many people will get cookies and chocolates?
9 people will get cookies and chocolates.
Make one more hard expression that use BEDMAS.
Ex) 20 - [3 x (2 + 4)] Do the inside bracket (parentheses) first.
= 20 - [3 x 6] Do the remaining bracket.
= 20 - 18 Do the subtraction.
= 2