Evaluate Expressions
Patterns in Expressions
Interpreting Expressions
Comparing Expressions
Mystery
100

What is the value of this expression?

         125 - 100 ÷ 5

A   105

B   75      

C   20    

D   5    

A. 105

100

 

Which expression has the same value as   1/2 ✕ 3 ? 

A   1 ✕ 2/3

B   3 ✕ 1/2

C   1/3  ✕  2

D   2/3   ✕  1

B   3 ✕ 1/2

100

Which expression is twice the sum of 45 and 62?

A  2 x 45 + 62

B  2 x (45 + 62)

C  2 + 45 + 62

D  (45 + 62) ÷ 2

B  2 x (45 + 62)

100

Which symbol should be placed in the circle to make this mathematical statement true?

14 x 278 _________ (10 x 278) + (4 x 278)


A  <

B  >

C  =

C  =

100

What is the value of this expression?  Record each step of the problem as you solve.  

    28 ÷ 7 - (2 + 1)

1

200

Which operation should be completed first? 

    35 ÷ (5 + 2) x 7

A   35 ÷ 5 

  

B   5 + 2

  

C   5 x 7

  

D   2 x 7

B   5 + 2

200

 

Which number could be written in the blank to make this equation true?

                      7  ✕  4 ✕   1/8  =  7 ✕  1/8   ✕  ____

A   1/2

B   7/8

C  4 

D  7 

C. 4

200


D.

200

Use what you know about the related problems below to decide which symbol should be placed in the circle to make this mathematical statement true. 



300 ÷ (14 + 6)      _________       300 ÷ (14 + 36)

A  <

B  >

C  =

B  >

200

Marta has 7 more than half as many books as Lucy.   If L is the number of books Lucy has, which expression could be used to find the number of books Marta has?

A  L + 2 x 7          

B  L ÷ 2 + 7           

C  2 x L + 7           

D  2 ÷ L + 7   

B  L ÷ 2 + 7    

300

What is the value of this expression?

         (12 + 6) ÷ 2 + 1


A  6            

B  10           

C  14           

D  16      

B. 10

300

 

Which value will make this equation true?


              15  ✕  4  3/5   =   15 ✕ 4 + ___ ✕ 3/5

A   1

B   4

C  15 

D   60 

C. 15

300

Celeste and Maya went shopping.  Celeste started the shopping trip with $35.  She spent $28.25.  After shopping, Maya had 6 times as much money left as Celeste.  Which expression could be used to find how much money Maya had left?

A  6 x $35 - $28.25

B  6 x $35 - 6 x $28.25

C  6 x ($35 - $28.25)

D  (6 x $35) - $28.25

C  6 x ($35 - $28.25)

300

Expression A:  (3.5 + 12.5 + 2.9)

Expression B:  7 x (3.5 + 12.5 + 2.9)

Which statement describes the relationship between Expression A and Expression B?

A  Expression A and Expression B are equal.

B  Expression A is 7 times larger than Expression B.

C  Expression B is 7 times larger than Expression A.

D  Expression B is 3.5 times larger than Expression A.

C  Expression B is 7 times larger than Expression A.

300

Celeste exercises several times each week.

  • She rides her bicycle for 30 minutes 4 times each week. 

  • She walks around the track for 15 minutes 6 times each week.  

Which expression could Celeste use to figure out how many minutes she exercises each week?

A  (4 + 6) x (30 + 15)

B  4 x 30 + 6 x 15

C  (4 x 15) + (6 x 30)

D  4 + 6 x 30 + 15

B  4 x 30 + 6 x 15

400

The value of this expression is 6.

         24 ÷ 6 + 2

If parentheses are placed around 6 + 2, what will the value of the expression be?

A   6

B   4    

C   3    

D   2  

C. 3

400

This diagram for 7 x 8 models how one number can be decomposed into two parts to multiply each part and find the sum of the parts.  Which expression matches this model?

 

A   (7 x 5) + (7 x 3)      C   (7 x 5) + (8 x 3)

B   (8 x 5) + (8 x 3)      D   (7 + 5) x (7 + 3)

A   (7 x 5) + (7 x 3)

400

Mrs. Alvaro bought boxes of pencils for her 24 students.  She bought 2 boxes with 308 pencils and another box with 56 pencils. Which expression could be used to find the number of pencils each student will receive if all students receive an equal number of pencils?

A  (2 x 308 + 56) ÷ 24

B   2 x 308 ÷ 24 + 5

C   2 x 308 + 56 ÷ 24

D  (308 + 56) ÷ 24

A  (2 x 308 + 56) ÷ 24

400

Which of the following shows two equivalent expressions?


A.

400

Which problem could this expression be used to solve?


5 x (12 - 4)


A  Tony bought 5 cartons with 12 eggs.  He used 4 eggs for breakfast.  How many eggs does Tony have left?

B  Ben read 5 books in January, 12 books in February, and 4 books in March.  How many books did Ben read?

C  Valeria is planning to buy some movies.  The store is taking $4 off the $12 price for each movie.  If Valeria buys 5 movies, how much will she spend?

D  David bought a 12 pound bag of dog food.  The dogs have already eaten 4 pounds.  If David’s 5 dogs share the rest of the food equally, how much food will each dog eat?

C  Valeria is planning to buy some movies.  The store is taking $4 off the $12 price for each movie.  If Valeria buys 5 movies, how much will she spend?

500

Which operation should be completed first? 

    32 x 4 + (15 – 8 ÷ 4)


A  32 x 4

  

B  4 + 15

  

C  15 - 8

  

D   8 ÷ 4

D   8 ÷ 4

500

 

Which value will make this equation true?

              2/3  ✕  ___   = 1/4   ✕  2/3

A   1/12

B   1/4

C   2/12

D   5/10

B. 1/4

500

Which expression is 25 less than the sum of 84 and 15?


A  84 - 15 - 25

B  84 + 15 - 25

C  25 - 15 + 84

D  25 - 15 - 84

B  84 + 15 - 25

500

Darren and Tomás both recorded an expression.

Darren’s expression:  2,346 x 4

Tomás’ expression:    2,346 x 8

Which statement correctly compares the two expressions?

A  Darren’s expression is double Tomás’ expression.

B  Darren’s expression is half of Tomás’ expression.

C  Darren’s expression is four times larger than Tomás’ expression.

D  Darren’s expression is one fourth of Tomás’ expression.

B  Darren’s expression is half of Tomás’ expression.

500

What is the value of this expression?

       

A  24            

B  32           

C  68        

D  96      

C  68