Unit 4 Lesson 15: Riddles
By Formative Library
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Grade 2 Unit 4 Lesson 15 CC BY 2021 Illustrative Mathematics®
Grade 2 Unit 4 Lesson 15 CC BY 2021 Illustrative Mathematics®
What do you notice? What do you wonder?
What do you notice? What do you wonder?
What do you notice? What do you wonder?
What do you notice? What do you wonder?
Solve Kiran’s age riddles. Show your thinking. Use a number line if it helps.
I’m 7. My sister is 5 years older than I am. How old is she? __________ years old
I’m 7. My sister is 5 years older than I am. How old is she? __________ years old
If you add 27 years to my sister’s age, you get my mom’s age. How old is my mom? __________ years old
If you add 27 years to my sister’s age, you get my mom’s age. How old is my mom? __________ years old
My brother is 24 years younger than my mom. How old is my brother? __________ years old
My brother is 24 years younger than my mom. How old is my brother? __________ years old
My grandma is 53 years older than my brother. How old is my grandma? __________ years old
My grandma is 53 years older than my brother. How old is my grandma? __________ years old
My uncle is 21 years younger than my grandma. How old is my uncle? __________ years old
My uncle is 21 years younger than my grandma. How old is my uncle? __________ years old
My uncle is 33 years older than my cousin. How old is my cousin? __________ years old
My uncle is 33 years older than my cousin. How old is my cousin? __________ years old
There is a 50 year difference between my grandpa’s age and my cousin’s age. How old is my grandpa? __________ years old
There is a 50 year difference between my grandpa’s age and my cousin’s age. How old is my grandpa? __________ years old
Complete the table by writing down 4 people you know with different ages.
Come up with 3 mathematical questions to ask your partner.
Question 1:
Question 1:
Question 2:
Question 2:
Question 3:
Question 3:
Solve your partner's riddles. Show your thinking using a number line or equation.
Solve your partner's riddles. Show your thinking using a number line or equation.