Unit 4 Review

If the pattern below continues, how many squares would be in the 5^th row?

 

Row 1             □  □    

Row 2         □  □  □   □

Row 3   □   □   □  □   □   □

Row 4

Row 5

Everleigh recorded the height of her tomato plant each month for six months in the table below.

 

Tomato Plant Growth

 

Which statement best describes the pattern of growth shown in the table.

Everleigh’s tomato plant grew ___ inches each month.

• Everleigh’s plant grew 1 inch each month.

• Everleigh’s plant grew ½ inch each month.

• Everleigh’s plant grew 1 ½ inches each month.

• Everleigh’s plant grew 2 ½ inches each month.

Mya used a rule to make the number pattern shown below.

120, 108, 96, 84

Which could be the rule he used to make this pattern?

• Divide by 12

• Multiply by 12

• Subtract by 12

• Add 12

Conner is playing a card game with 3 of his friends. There are 52 cards that he will divide equally between all 4 players and writes the equation 52 ÷ 4 = c.

What does the c represent in the equation?

• Number of Conner's friends

• Number of cards remaining

• Number of cards in all

• Number of cards each person will receive

There are some tables in Ms. Delk’s room. Each table can seat 5 students. What does the t represent in the expression t(5)?

• Number of tables

• Number of seats

• Number of students

Select each statement that describes a variable that is true.

• An empty box can be used to represent a variable.

• A variable is used to represent an unknown number in an equation.

• A variable can be represented by a letter.

• A symbol can be used to stand for a variable.

Abigail went roller skating for the same number of miles 7 days in a row. At the end of the 7 days, Abigail had roller skated 21 miles. Which equation can be used to calculate the number of miles Abigail skated each day?

• 21 – s = 3

• 7 + s = 21

• s ÷ 21 = 7

• 7s = 21

Mrs. Wakefield and Mrs. Rivers have 5 math club teams. Each team has 4 kids. Which number sentence could be used to find k, the number of kids participating in math club?

• k x 5 = 4

•   k ÷ 5 = 4

• k - 5 = 4

• k + 5 = 4

Phoebe lost 9 rocks from her rock collection. Her rock collection now has 32 rocks. Which number sentence could be used to find r, the number of rocks she originally had before she lost some?

• r ÷ 9 = 32

• r x 9 = 32

• r + 9 = 32

• r – 9 = 32

Erin weighs 4 pounds less than Dana. If p represents Dana’s weight in pounds, which expression below represents Erin’s weight in pounds?

• p ÷ 4

• p + 4

• p x 4

• p – 4