Questions du test pratique de mathématiques de 4e année PARCC
1. Which of the following models represents a fraction less than the fraction shown below?
1. B: The given model represents the fraction, 2/9, which is approximately 0.22. The model for Choice B represents the fraction, 1/8, which equals 0.125. This fraction is less than the given fraction. The fractions can also be compared by finding a least common denominator.
2. Travis has a stick that is 5/16 of a meter long, and Steven has a stick that is 7/8 of a meter long. If they lay the sticks end to end how long would they be?
2. B: If they lay the sticks end to end then you would just add the lengths together. First convert 7/8 to14/16 then add that to 5/16 to get 1 3/16.
3. Which of the following number sentences is represented by the model shown below?
3. D: The model shows 35 counters, divided into 7 groups, with 5 counters in each group. Therefore, the model represents the number sentence, 35÷7=5.
4. Which of the following number sentences belongs in the fact family shown below? 7x6=42 6x7=42 42÷7=6
4. B: The missing number sentence in the fact family is the other division number sentence, which reads:42÷6=7.
5. Billy is going on vacation. He will travel a total of 1486 miles while he is gone. Location A is 572 miles away from home and then Location B is 437 miles from location B. How long is the trip from Location B back to home?
5. 477: If he travels 572 miles and then 437 miles then he only has 477 miles left to go. 1486-572-437=477.