AsterQuiz MATH VOnline version REVIEWER by mark francis barredo 1 What is the formula for finding the area of a parallelogram? a A = base × height b A = 1/2 × base × height c A = (base1 + base2)/2 × height 2 What is the formula for finding the area of a triangle? a . A = 1/2 × base × height b A = base × height c A = length × width 3 Which formula is used to find the area of a trapezoid? a A = 1/2 × (base1 + base2) × height b A = 1/2 × base × height c A = base × height 4 A parallelogram has a base of 8 cm and a height of 5 cm. What is its area? a 40 sq cm b 13 sq cm c 45 sq cm 5 A triangle has a base of 10 m and a height of 6 m. What is its area? a 30 sq m b 60 sq m c 16 sq m 6 A trapezoid has parallel sides of 7 cm and 9 cm, and a height of 4 cm. What is its area? a 16 sq cm b 64 sq cm c 32 sq cm 7 A garden shaped like a trapezoid has parallel sides of 12 m and 8 m. If the total area should be 60 sq m, what should the height be? a 4m b 5m c 6m 8 When estimating the area of a shape using a grid, what should you do with squares that are only partially covered by the shape? a Ignore them completely b Count them as approximately half a square c Count them as one whole square 9 What is the best way to estimate the area of an irregular shape drawn on a grid? a Measure only the longest side b Multiply the length and width only c Count the full squares and estimate the partial squares 10 On a grid where each small square represents 1 sq cm, a triangle covers about 14 full squares and 4 half squares. What is its estimated area? a 16 sq cm b 18 sq cm c 14 sq cm 11 A rhombus drawn on a grid covers 20 full squares and 8 half squares. What is the estimated area of the rhombus? a 24 sq units b 16 sq units c 28 sq units 12 Why is estimating area using a grid useful before applying a formula? a It replaces the need for a formula completely b It gives an exact answer every time c It helps check if the computed area using a formula is reasonable 13 When dividing fractions using a model, what does the model usually show? a How to add the fractions together b How many times one fraction fits into another c The difference between two fractions 14 Using a fraction model, how many 1/4-size pieces fit into 1 whole? a 4 b 2 c 8 15 . A model shows 3/4 divided into groups of 1/4. How many groups can be made? a 4 b 12 c 3 16 A number line model shows 1/2 divided into pieces of 1/6. How many 1/6 pieces fit into 1/2? A. 6 a 6 b 2 c 3 17 Using an area model, 2/3 is divided into groups of 1/6. How many groups are formed? a 2 b 4 c 6 18 A pupil draws a model to divide 5/6 by 1/3. Based on the model, how many groups of 1/3 are inside 5/6? a 2 1/2 b 3 c 2 19 What is the first step in dividing a fraction by a fraction? a Add the numerators b Subtract the denominators c Get the reciprocal of the divisor and multiply 20 What is the reciprocal of 3/5? a 3/5 b 5/3 c 5/5 21 What is 1/2 ÷ 1/4? a 2 b 1/8 c 4 22 What is 2/3 ÷ 1/6? a 1/4 b 2 c 4 23 What is 3/4 ÷ 2/5? a 6/20 b 1 1/4 c 1 7/8 24 What is 5/6 ÷ 5/9? a 1 b 1 1/2 c 2 25 Mrs. Cruz has 3/4 meter of ribbon. She wants to cut it into pieces that are each 1/8 meter long. How many pieces can she make, and what operation should she use? a 6 pieces, using division b 6 pieces, using multiplication c 3 pieces, using division 26 In a multi-step word problem involving fractions, what should you do first? a Multiply all numbers together b Skip the given information c Understand what is being asked and identify the given information 27 Which phrase in a word problem often signals that division of fractions is needed? a "in all" b "combined" c "how many pieces or groups can be made" 28 In a multi-step problem, why is it important to solve the steps in the correct order? a . To finish quickly b To get an accurate final answer c To use fewer numbers 29 A recipe uses 2/3 cup of sugar for one batch. If Aling Rosa has 4 cups of sugar, how many batches can she make? Which operation should be used? a Division (4 ÷ 2/3) b Multiplication (4 × 2/3) c Addition (4 + 2/3) 30 A ribbon that is 5/6 meter long is cut into pieces that are each 1/12 meter. After cutting, 2 pieces were given away. How many pieces are left? a 10 b 12 c 8 31 A container has 7/8 liter of juice. Each glass holds 1/8 liter. If 3 glasses are already filled, how many more glasses can still be filled? a 7 b 3 c 4 32 A carpenter has a board that is 9/10 meter long. He cuts it into pieces that are each 3/10 meter, then uses 1 piece for a shelf. How many pieces will be left after using 1 for the shelf? a 3 b 2 c 1 33 A baker has 5/6 kilogram of flour. She uses 1/3 kilogram to bake cookies, then divides the remaining flour into bags of 1/12 kilogram each. How many bags can she make? a 3 b 6 c 5 34 In the decimal number 0.325, what is the place value of the digit 5? a Thousandths b Tenths c Ones 35 In the number 4.678, what is the place value of the digit 7? a Tenths b Ones c Hundredths 36 Which digit is in the tenths place in the number 6.259? a 9 b 2 c 5 37 What is the place value of the digit 8 in 0.184? a Tenths b Ones c Hundredths 38 In the decimal number 3.902, what digit is in the thousandths place? a 2 b 9 c 0 39 Mario wrote a number with a 6 in the thousandths place, a 3 in the hundredths place, a 0 in the tenths place, and a 4 in the ones place. What number did he write? a 4.360 b 4.063 c 4.036 40 A scientist recorded a measurement using the digits 2, 4, 7, and 0. Which number correctly shows 7 in the hundredths place and 0 in the thousandths place? a 2.047 b 2.740 c 2.470
