What operation does "sum" mean?
addition
Create an expression for:
the sum of 3 and 4
3+4
Create an expression for the word problem:
Two friends on the phone were counting the birds they could see outside their bedroom windows. One saw 3 birds and the other saw twice as many. How many birds did they see?
3+2(3)
or
3+2xx3
Evaluate the following:
the sum of 3, 4 and 2 times 5
3+4+2(5)=17
What are two ways to imply subtraction in a word problem? (other than subtract)
Different ways include:
minus, less, difference, reduce, deduct, fewer than, take away...
Create an expression for:
the 3 times the sum of 3 and 4
3(3+4)
Create an expression for the word problem:
Madison's volleyball team had 4 games on the weekend. Three of the games were only 2 sets, but the final went all 3! How many sets of volleyball did Madison play?
Trick question... Madison put her first serve long and wasn't allowed to play anymore!!... kidding...
The most she can do is:
3(2) + 3
Evaluate the following:
5 times the difference of 6 and 3
5(6-3)=15
In the following problem, what 2 operations are you asked to do?
Find the difference between 3 and 2 times 6.
difference means subtract and times means to multiply
Create an expression for:
the sum of 3 times 3 and 4
3(3) + 4
Create an expression for the word problem:
The salesperson earns $25 per hour plus a $100 bonus at the end of the week. How much did she make if she worked for 30 hours?
25(30) + 100
Evaluate the following:
1 plus the product of 3 and 4
1+3(4)=13
What are two math words or phrases that have an opposite meaning to quotient?
Quotient means to divide, so the opposite would be to multiply, the product, times...
Create an expression for:
the square of 4 plus 2
4^2+2
Create an expression for the word problem:
The salesperson earns $25 per hour plus a commission bonus of $10 for every sale at the end of the week. How much did she make if she worked for 30 hours and made 34 sales in the week?
25(30)+10(34)
Evaluate the following:
24 divided by the sum of 2 squared and 2
24/(2^2+2)=4
Why is quotient a tricky word to use in a math problem?
Because quotient means to divide, it's hard to know which order we divide the numbers.
For example, the quotient of 3 and 4 could be
3-:4or 4-: 3
Create an expression for:
the square of the sum of 4 and 2(4+2)^2
Create an expression for the word problem:
For the party, Josh bought 10 bags of chips for $4.50 each, 4 cases of pop for $15 each and ordered 6 pizzas for $18 each. If his 2 besties split the cost with him, how much do each owe?
(10(4.5)+4(15)+6(18))/3
Evaluate the following:
10 plus 3 times 2 minus the sum of 3 and 1
10+3(2)-(3+1)=12