Mathematical Reasoning and Problem Solving

The video presents a series of math riddles and puzzles designed to enhance analytical thinking and problem-solving skills. It covers a variety of topics, including chain puzzles, river crossing riddles, age and number puzzles, lightbulb switch challenges, and fun math jokes. Each section provides a unique problem to solve, encouraging viewers to think critically and creatively.

How many attempts might you need to find the correct key for each door if you're not good at guessing?

• Six

• Three

• Four

• Five

If a water lily doubles in size every day and covers the entire pond in 10 days, on which day will it cover half the pond?

• 9th day

• 5th day

• 10th day

• 7th day

What is the three-digit number where the second digit is four times the first, and the third is three less than the second?

• 144

• 143

• 142

• 141

Tags

CCSS.2.OA.A.1

How can you make the equation 6 + 4 = 4 true by moving one matchstick?

• Change 6 to 8

• Change 4 to 9

• Change + to -

• Change = to ≠

Tags

CCSS.RI.7.2

CCSS.RI.8.2

CCSS.RL.4.2

CCSS.RL.5.2

CCSS.RL.8.2

What item was the man interested in buying at the hardware store?

• Screws

• Nails

• Door numbers

• Hammers

Tags

CCSS.7.NS.A.3

What is the result of dividing 30 by 1/2 and adding 10?

• 25

• 40

• 50

• 70

Tags

CCSS.7.RP.A.3

How many nuts can 9 squirrels chew in 9 minutes if 1.5 squirrels chew 1.5 nuts in 1.5 minutes?

• 9

• 54

• 18

• 36

Tags

CCSS.6.RP.A.3B

If two rolls cost $7 and three rolls cost $12, how much does one orange roll cost?

• $2

• $1

• $4

• $3

Tags

CCSS.8.EE.C.8C

In a stable with 72 legs and 22 heads, how many horses are there?

• 10

• 12

• 14

• 16

Tags

CCSS.8.EE.A.2

What happens to plants in math classrooms?

• They grow square roots

• They multiply

• They divide

• They subtract

Tags

CCSS.8.EE.A.2