Engage NY Eureka Math 3rd Grade Module 2 Lesson 1 Answer Key
Eureka Math Grade 3 Module 2 Lesson 1 Problem Set Answer Key
Question 1.
Use a stopwatch. How long does it take you to snap your fingers 10 times?
It takes ___________ to snap 10 times.
Answer:
It takes 4 seconds to snap 10 times
Question 2.
Use a stopwatch. How long does it take to write every whole number from 0 to 25?
It takes ___________________ to write every whole number from 0 to 25.
Answer:
It takes 30 seconds to write every whole number from 0 to 25
Question 3.
Use a stopwatch. How long does it take you to name 10 animals? Record them below.
It takes ___________________________ to name 10 animals.
Answer:
It takes 35 seconds to name 10 animals.
Question 4.
Use a stopwatch. How long does it take you to write 7 × 8 = 56 fifteen times? Record the time below.
It takes _______________________ to write 7 × 8 = 56 fifteen times.
Answer:
It takes 50 seconds to write 7 × 8 = 56 fifteen times
Question 5.
Work with your group. Use a stopwatch to measure the time for each of the following activities.
Answer:
Question 6.
100 meter relay: Use a stopwatch to measure and record your team’s times.
Name |
Time |
Seema | Â Â Â Â Â Â Â Â Â Â Â 18 seconds |
Joy | Â Â Â Â Â Â Â Â Â Â Â 15 seconds |
Tom | Â Â Â Â Â Â Â Â Â Â Â 20 seconds |
Total time: 53 seconds |
The table to the right shows how much time it takes each of the 5 students to do 15 jumping jacks.
a. Who finished 15 jumping jacks the fastest?
Maya | 16 seconds |
Riley | 15 seconds |
Jake | 14 seconds |
Nicholas | 15 seconds |
Adeline | 17 seconds |
Answer:
Jake finished 15 jumping jacks the fastest in 14 seconds.
b. Who finished their jumping jacks in the exact same amount of time?
Answer:
Riley and Nicholas finished their jumping jacks in the same amount of time that is 15 seconds.
c. How many seconds faster did Jake finish than Adeline?
Answer:
Andeline finished in 17 seconds and Jake in 15 seconds.So, Jake finished 2 seconds faster than Adeline.
Eureka Math Grade 3 Module 2 Lesson 1 Homework Answer Key
Question 1.
The table to the right shows how much time it takes each of the 5 students to run 100 meters.
a. Who is the fastest runner?
Samantha | 19 seconds |
Melanie | 22 seconds |
Chester | 26 seconds |
Dominique | 18 seconds |
Louie | 24 seconds |
Answer:
Dominique is the fastest runner(18 seconds of time).
b. Who is the slowest runner?
Answer:
Chester is the slowest runner(26 seconds of time).
c. How many seconds faster did Samantha run than Louie?
Answer:
Samantha ran in 19 seconds and Louie ran in 24 seconds.So, 24-19=5
Therefore, Samantha ran 5 seconds faster than Louie.
Question 2.
List activities at home that take about the following amounts of time to complete. If you do not have a stopwatch, you can use the strategy of counting by 1 Mississippi, 2 Mississippi, 3 Mississippi, ….
Time Activities at home
Time |
Activities at home |
30 seconds | Example: Â Tying shoelaces |
45 seconds | Wearing socks |
60 seconds | Packing tiffin |
Question 3.
Match the analog clock with the correct digital clock.
Answer: