Multiplicative Comparisons
The table shows the number of minutes four students spent reading during one week.
Student Minutes
Amari 36
Bella 108
Carlos 72
Destiny 144
Elijah 96
Which student read exactly 4 times as many minutes as Amari?
A. Bella
B. Carlos
C. Destiny
D. Elijah
C. 36 × 4 = 144
One factor of 84 is 7.
What is the other number in this factor pair?
A. 11
B. 12
C. 14
D. 21
B. 7 × 12 = 84
What is eight multiplied by four hundred sixty-seven?
A. 3,636
B. 3,736
C. 3,746
D. 3,836
B. 467 × 8 = 3,736
A rectangular playground measures 18 yards long and 14 yards wide.
What are the area and perimeter of the playground?
A. Area = 252 square yards; Perimeter = 32 yards
B. Area = 252 square yards; Perimeter = 64 yards
C. Area = 64 square yards; Perimeter = 252 yards
D. Area = 224 square yards; Perimeter = 64 yards
B. Area = 18 × 14 = 252; perimeter = 2(18 + 14) = 64
A school ordered 84 notebooks. The school ordered 12 times as many notebooks as folders.
Which equation can be used to find the number of folders, (f), the school ordered?
A. 12 x f= 84
B. 84 x f=12
C. f + 84=12
D. 12 + f=84
A. 12 x f= 84
Which choice contains only prime factors of 35?
A. 5, 35
B. 5, 15
C. 7, 35
D. 5, 7
D. 5, 7
#7 on slide.
B. 3,200 + 240 + 560 + 42 = 4,042
A rectangular garden has a perimeter of 24 meters. Its length is 8 meters.
What is the area of the garden?
A. 24 square meters
B. 28 square meters
C. 32 square meters
D. 40 square meters
C. 32 square meters
A warehouse stores 38 boxes of pencils on one shelf. Another shelf holds 6 times as many boxes.
How many boxes of pencils are on the second shelf?
38 × 6 = 228
Which list contains two multiples of 8 and a factor pair of 48?
A. 4, 12, 24, 40
B. 6, 8, 24, 32
C. 4, 12, 32, 48
D. 6, 8, 16, 40
D. 6 × 8 = 48; 16 and 40 are multiples of 8
#8 on slide
#12 on slide
D