Numerical Expressions

Numerical Expressions

Open Ended

What other things do you need to do in a specific order?

Copy this poster in your notebook. Copy these notes too!

• Always do anything in parenthesis (. ). first

• Next come exponents (you will learn more about them later)

• Multiply or divde from left to right .

• Add OR subtract left to right.

• Check your work.

Multiple Choice

Based on your notes, which part of this equation would you do first?

$$567\ \times\ 2\ -\ \left(3\ \times4\right)$$  

• 567 x 2 

• 2 - 12 

• 3 x 4 

• 12 - 2 

Multiple Choice

Based on your notes, which part of this equation would you do  next?

$$567\ \times\ 2\ -\ 12$$  

• 567 x 2 

• 2 - 12 

• 12 - 2 

Multiple Choice

FIND THE DIFFERENCE OF 18 AND 6  THEN DIVID BY 2 ? 

• $$18-\ 6\ \div2$$  

• $$18\ +6\div2$$  

• $$\left(18-6\right)\ \div2$$  

• $$\left(18+6\right)\div2$$  

Multiple Choice

WHAT IS THE SUM OF FOURTEEN AND SEVEN SUBTRACTED FROM 189

• $$189\ -\ 14\ -\ 7\$$  

• $$189\ -\left(14\ +7\right)$$  

• $$\left(14\ +7\right)\ -\ 189$$  

• $$189\ +14\ +\ 7$$  

Multiple Choice

What is three times the sum of eighty seven and twelve.? 

• 3 x 87 +12 

• (3 x 87) + 12 

• (3 x 87) - 12

• (87 +12) x 3 

Multiple Select

Riley had 136 trading cards. He gave 15 to each of his three friends. Which expression shows how many cards he has left? Which statements are  true?  (More than one ) 

• If he gave 15 cards to each of his three friends, He would add three to fifteen 

• He is going to have more cards than he started out with. 

• The word "gave" in the problem tells me I need to subtract.  

• He gave 15 cards to each of his three friends this tells me I need to multiply because I have 3 groups of 15. 

Multiple Choice

Riley had 136 trading cards. He gave 15 to each of his three friends. Which expression shows how many cards he has left?  Which expression (equation) shows how to solve the problem?  

• 136 -  (15 x 3) 

• 136 + (15 x 3) 

• (136 - 15)  x 3 

• (136 + 15 ) x 3 

Multiple Choice

Mr. Canady gave these instructions during math class

*Add 6 and 12

*Multiply the total by 10

Which expression has the same answer as Mr. Canady's instructions?

• (6 x 12) + 10

• 6 + (12 x 10)

• (6 + 12) x 10

• 6 x ( 12 + 10)

Multiple Choice

An ice cream shop sells vanilla, chocolate and strawberry milkshakes. Yesterday, the shop sold 47 vanilla milkshakes and 89 strawberry milkshakes. The shop sold 216 total milkshakes in all. How many chocolate milk shakes were sold?

• First you need to multiply the strawberry and vanilla milkshakes.

• First add the chocolate and strawberry milkshakes.

• First you need to subtract the chocolate milkshakes.

• First subtract the vanilla milkshakes from the total then, subtract the strawberry milkshakes.

Multiple Choice

An ice cream shop sells vanilla, chocolate and strawberry milkshakes. Yesterday, the shop sold 47 vanilla milkshakes and 89 strawberry milkshakes. The shop sold 216 total milkshakes in all. How many chocolate milk shakes were sold? Which expression shows the correct way to solve this problem?

• (89 + 47) + 216

• (216 - 47) - 89

• 47 + 89

• 216 - 89

Multiple Select

Mrs. Moore bought 5 bunches of bananas with 6 bananas in each bunch and 3 bunches of bananas with 14 bananas in each bunch. How many bananas does she have? What statements are true?

• Bought 5 bunches with 6 bananas in each bunch means I need to multiply.

• 3 bunches with 14 in each bunch means I need to add

• I need to add the bananas from each group together

• I will need to add first then Multiply.

• I will need to multiply first then add.

Multiple Choice

Mrs. Moore bought 5 bunches of bananas with 6 bananas in each bunch and 3 bunches of bananas with 14 bananas in each bunch. How many bananas does she have? Which equation will I need to use to solve this problem?

• (6 x 5) - (3 x 14 )

• 6 x 5 + 3 x 14

• (6 + 5 ) x (3 + 14)

• 14 -( 6 x5 ) + 3

Multiple Choice

Mrs. Moore bought 5 bunches of bananas with 6 bananas in each bunch and 3 bunches of bananas with 14 bananas in each bunch. How many bananas does she have? Which picture shows correct work?