CBEST Math: Estimation and Measurement 5

Question 1

A pitcher holds 2 quarts of lemonade. How many 8-ounce glasses can be filled from it?

Accepted Answer

8 glasses

Answer

2 quarts = 64 fluid ounces; 64 ÷ 8 = 8 glasses.

Question 2

An object has a mass of 850 grams. Approximately how many pounds does it weigh? (1 kg ≈ 2.2 lbs)

Accepted Answer

About 1.9 lbs

Answer

850 g = 0.85 kg × 2.2 lbs/kg ≈ 1.87 lbs, approximately 1.9 lbs.

Question 3

A 6-pack of water bottles contains 16.9 fl oz each. Which best estimates the total fluid ounces?

Accepted Answer

About 100 fl oz

Answer

17 × 6 = 102 fl oz, which is closest to about 100 fl oz.

Question 4

A wall is 8 feet tall and 15 feet wide. How many square yards of paint coverage is needed?

Accepted Answer

About 13 sq yd

Answer

8 × 15 = 120 sq ft ÷ 9 sq ft/sq yd ≈ 13.3 sq yd.

Question 5

A thermometer reads 68°F. What is this temperature in Celsius? (C = (F − 32) × 5/9)

Accepted Answer

20°C

Answer

(68 − 32) × 5/9 = 36 × 5/9 = 20°C.

CBEST - California Basic Educational Skills Test Practice Test