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Unit 4 Lesson 15: Riddles

Last updated over 1 year ago

14 Nsɛmmisa

Hyɛ no nsow a efi ɔkyerɛwfo no hɔ:

Grade 2 Unit 4 Lesson 15 CC BY 2021 Illustrative Mathematics®

Akwankyerɛ

Grade 2 Unit 4 Lesson 15 CC BY 2021 Illustrative Mathematics®

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What do you notice? What do you wonder?

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What do you notice? What do you wonder?

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Solve Kiran’s age riddles. Show your thinking. Use a number line if it helps.

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3.

I’m 7. My sister is 5 years older than I am. How old is she? __________ years old

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If you add 27 years to my sister’s age, you get my mom’s age. How old is my mom? __________ years old

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Complete the table by writing down 4 people you know with different ages.

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10.

Come up with 3 mathematical questions to ask your partner.

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Question 1:

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Question 2:

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Question 3:

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Solve your partner's riddles. Show your thinking using a number line or equation.

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My brother is 24 years younger than my mom. How old is my brother? __________ years old

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My grandma is 53 years older than my brother. How old is my grandma? __________ years old

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My uncle is 21 years younger than my grandma. How old is my uncle? __________ years old

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My uncle is 33 years older than my cousin. How old is my cousin? __________ years old

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There is a 50 year difference between my grandpa’s age and my cousin’s age. How old is my grandpa? __________ years old