Solving Multistep Word Problems with Fractions and Multiplication

The video tutorial explains a multi-step word problem involving a race with 45 runners. Initially, a third of the runners drop out in the first half of the race, and three-fifths of the remaining runners drop out in the second half. The tutorial guides viewers through the calculations to determine that 12 runners finish the race, verifying the solution by checking each step.

How many runners started the race?

• 15

• 60

• 45

• 30

Tags

CCSS.1.NBT.A.1

What fraction of the runners dropped out in the first half of the race?

• 1/2

• 1/4

• 1/3

• 1/5

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many runners dropped out in the first half of the race?

• 25

• 20

• 15

• 10

Tags

CCSS.2.OA.A.1

How many runners were left after the first half of the race?

• 30

• 35

• 25

• 20

Tags

CCSS.2.OA.A.1

What fraction of the remaining runners dropped out in the second half of the race?

• 4/5

• 3/5

• 2/3

• 1/2

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

How many runners dropped out in the second half of the race?

• 15

• 12

• 20

• 18

Tags

CCSS.2.OA.A.1

How many runners were left after the second half of the race?

• 18

• 15

• 12

• 10

Tags

CCSS.1.OA.A.1

What was the total number of runners who finished the race?

• 10

• 12

• 18

• 15

Tags

CCSS.1.NBT.A.1

How many runners dropped out in total during the race?

• 40

• 35

• 33

• 30

Tags

CCSS.2.OA.A.1

What was the initial number of runners and the final number of runners who finished the race?

• 40 and 10

• 35 and 8

• 45 and 12

• 50 and 15

Tags

CCSS.1.OA.A.1