Rational Numbers and Fraction Multiplication

The video tutorial covers multiplying fractions, starting with basic examples and moving to a word problem involving monkeys and coconuts. It explains the process of multiplying numerators and denominators, simplifying fractions, and solving a complex word problem using logical reasoning.

What is a rational number?

• A number that is always irrational

• A number that is always an integer

• A number that can be expressed as a fraction

• A number that cannot be expressed as a fraction

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CCSS.5.NF.B.6

When multiplying fractions, what do you do with the numerators?

• Subtract them

• Divide them

• Add them

• Multiply them

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CCSS.5.NF.B.6

What is the simplified form of 5/12 times 9/10?

• 5/9

• 3/8

• 1/2

• 45/120

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CCSS.5.NF.B.6

How can you simplify 3/4 times 1/3?

• By multiplying the denominators

• By canceling common factors

• By subtracting the denominators

• By adding the numerators

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CCSS.5.NF.B.6

What is the result of multiplying 1/13 by 1/11?

• 1/12

• 1/130

• 1/143

• 1/24

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CCSS.3.OA.A.3

In the word problem, how many piles did the first monkey divide the coconuts into?

• Two equal piles

• Five equal piles

• Three equal piles

• Four equal piles

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CCSS.RI.7.10

CCSS.RI.8.10

CCSS.RL.5.10

CCSS.RL.6.10

CCSS.RL.8.10

What did the second monkey do with the leftover coconut?

• Added it to the pile

• Gave it to the third monkey

• Kept it for himself

• Threw it away

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CCSS.1.OA.A.1

How many coconuts did the third monkey find in total?

• 15 coconuts

• 12 coconuts

• 20 coconuts

• 10 coconuts

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CCSS.2.OA.A.1

How many coconuts did the first monkey take?

• 8 coconuts

• 10 coconuts

• 5 coconuts

• 12 coconuts

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CCSS.1.OA.A.1

What was the total number of coconuts at the start?

• 20 coconuts

• 30 coconuts

• 22 coconuts

• 25 coconuts

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CCSS.1.OA.A.1