Spiral Review: Number System Fluency

Which of these is a factor of 15?

• 2

• 3

• 10

• 30

Which is not a factor of 36?

• 3

• 6

• 36

• 72

Rose picked 18 tulips and 20 daffodils. She divided the flowers into groups so that the same number of tulips and daffodils were in each bouquet. What is the greatest number of bouquets she could have made?

• 2

• 5

• 90

• 180

Which of the following is a multiple of 8?

• 4

• 8

• 20

• 100

Every fourth visitor to a museum gets a free bumper sticker. Every tenth visitor to that museum gets a free key chain. Which visitor each day will be the first one to get both the bumper sticker and the key chain?

• tenth

• twentieth

• fortieth

• hundredth

Which pair of numbers has a LCM of 12?

• 1 and 6

• 2 and 3

• 2 and 6

• 3 and 4

Which is the way to express 18 +24 as the product of the GCF and another sum?

• 2(9 + 12)

• 3(6 + 8)

• 4(4 + 6)

• 6(3+ 4)

Gabriella volunteers at the hospital every 4th day. She volunteers at the food pantry every 6th day. She volunteered at the hospital and the food pantry both on March 31. On what date will she next volunteer at both?

• April 12

• April 16

• May 1

Connor bought 40 pencils for $0.35 each. Mara bought 70 pencils at the same price. How much more money did Mara spend?

• $3.50

• $10.50

• $14.00

• $24.50

Fran reads 54 pages per hour. If she reads a total of 257 pages one weekend, how many hours to the nearest hundredth does she read?

• 4.76

• 4

• 5

• 47.59