Question 1

Give the expression modeled by the following. Blue counters represent positives.

Question 2

Evaluate 7y²−17y+5 when y=8.

Question 3

Give the expression modeled by the following. Blue counters represent positives.

Question 4

Evaluate −15−8c² when c=2.

Question 5

Simplify: 18−[4−(10−27)].

Question 6

Simplify: 30−[3−(18−19)].

Question 7

Give the expression modeled by the following. Blue counters represent positives.

Question 8

Give the expression modeled by the following. Blue counters represent positives and red counters represent negatives.

Question 9

Give the expression modeled by the following. Blue counters represent positives and red counters represent negatives.

Question 11

Give the expression modeled by the following:

Assume each blue counter represents a positive whole number.

Question 13

Give the expression modeled by the following:

Assume each red counter represents a negative whole number.

Question 14

Give the expression modeled by the following. Blue counters represent positives and red counters represent negatives.

 

Question 15

Simplify: 15−[8−(7−11)].

Question 16

Simplify: 30−[3−(9−10)].

Question 17

Evaluate −19−3q² when q=3.

Question 18

Evaluate 2×2−7x+1 when x=4.

 

Solution

Question 1

Give the expression modeled by the following. Blue counters represent positives.

Ans: 8 – 7

Question 2

Evaluate 7y²−17y+5 when y=8.

Ans: 317

Question 3

Give the expression modeled by the following. Blue counters represent positives.

Ans: 9 – 2…………….please follow the link below to purchase all answers at $10

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