6.1 Find Part of a Group

Abigail had 21 cupcakes. She gave 1/3 to her older sister. How many did she have left?

• 7

• 3

• 21

• 14

Tags

CCSS.3.NF.A.1

CCSS.3.OA.A.3

Aidan had brought 1/2 of his 20 action figures to school. How many action figures had he left at home?

• 5

• 10

• 15

• 20

Tags

CCSS.3.NF.A.1

Kara has 36 animals at home. Two sixths of them were sick. How many were sick?

• 2

• 26

• 12

• 30

Damon scored 10 points in his basketball game and it was 2/5 of his teams score. How many points did his team score?

• 10

• 15

• 20

• 25

Eduardo has 30 pairs of socks in a drawer. Of those, 6 pairs are matched and the rest are mismatched. He is packing 1/ 2 of his mismatched pairs in his suitcase for a trip. How many pairs is Eduardo packing for his trip?

• 6

• 4

• 12

• 18

Which problem does the model represent?

• 2/3 × 15

• 3/4 × 15

• 1/2 × 15

• 1/3 × 15

Multi-Step

Amy has 25 different hair ribbons. She bought 4 of them in a store, but she made the rest herself. Of the hair ribbons she made, 1/3 have sparkles on them. How many hair ribbons with sparkles did Amy make?

• 9

• 7

• 3

• 14

Barry bought 21 stamps from a hobby shop. He gave 3_ 7 of them to his sister. How many stamps did he have left?

• 9 stamps

• 6 stamps

• 3 stamps

• 12 stamps

Lauren spent 24 hours on the computer last week. She spent 2/3 of the time doing homework. How much time did Lauren spend doing homework?

• 16 hours

• 14 hours

• 12 hours

• 9 hours

A display at the natural science museum contains 21 plant and animal fossils. 4/7 of the fossils in the display are animal fossils. How many fossils in the display are animal fossils?

• 9 fossils

• 6 fossils

• 12 fossils

• 3 fossils