Unit 1 Review

 Find the GCF of each set of numbers. 
12, 30 

• 4
• 2
• 5
• 6

Tags

CCSS.6.NS.B.4

Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other sign blinks every 15 seconds. In how many seconds will they blink together again?

• 48 seconds
• 45 seconds
• 16 seconds
• 8 seconds

Tags

CCSS.6.NS.B.4

There are 14 girls and 21 boys in Mrs. Andrew's gym class. To play a certain game, the students must form teams. Each team must have the same number of boys and girls. What is the greatest number of teams Mrs. Andrews can make if every student is on a team?

• 7 teams
• 14 teams
• 21 teams
• 42 teams

Tags

CCSS.5.NBT.B.6

CCSS.5.NF.B.3

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20

Tags

CCSS.6.NS.B.4

John works every 4 days.  Chris works every 7 days.  How many days until they work together again?

• 28
• 11
• 3
• 35

Tags

CCSS.6.NS.B.4

Samuel is pairing up one gel-pen with one note-pad as gifts. The gel-pens come in packs of 6 and the note-pads come in packs of 4. Samuel makes the smallest number of gifts possible, so that nothing is left over. How many packs of gel-pens and note-pads will Samuel need to buy?

• 1 pack of gel-pens and 2 packs of note-pads

• 10 packs of each gel-pens and note-pads

• 2 packs of gel-pens and 3 packs of note-pads

• 6 packs of gel-pens and 4 packs of note-pads

Tags

CCSS.6.NS.B.4

498÷9=

• 67
• 167
• 55r3
• 47r2

Tags

CCSS.5.NBT.B.6

• 855

• 950

• 1056

• 856

Tags

CCSS.5.NBT.B.6

7,893 ÷ 9 =

• 880

• 879

• 878

• 877

Tags

CCSS.5.NBT.B.6

There are 3,965 kids eating lunch. Each table can hold 8 kids. How many tables are needed?

• 490

• 496

• 395

• 495

Tags

CCSS.5.NBT.B.6

CCSS.5.NF.B.3