Engage NY Eureka Math 5th Grade Module 1 Lesson 10 Answer Key
Eureka Math Grade 5 Module 1 Lesson 10 Problem Set Answer Key
Question 1.
Subtract, writing the difference in standard form. You may use a place value chart to solve.
a. 5 tenths – 2 tenths = ____ tenths = ___
Answer:- 5 tenths – 2 tenths = 3 tenths = 0.3
b. 5 ones 9 thousandths – 2 ones = ___ ones ______ thousandths = ____
Answer:- 5 ones 9 thousandths – 2 ones = 3 ones = 9 thousandths = 3.009
c. 7 hundreds 8 hundredths – 4 hundredths = ___ hundreds ___ hundredths = ____
Answer:- 7 hundreds 8 hundredths – 4 hundredths = 7 hundreds 4 hundredths = 700.04
d. 37 thousandths – 16 thousandths = __ thousandths = _____
Answer:- 37 thousandths – 16 thousandths = 21 thousandths = 0.021
Question 2.
Solve using the standard algorithm.
a. 1.4 – 0.7 =
Answer:- 1.4 – 0.7 0.7
b. 91.49 – 0.7 =
Answer:- 91.49 – 0.7 = 90.79
c. 191.49 – 10.72 =
Answer:- 191.49 – 10.72 = 180.77
d. 7.148 – 0.07 =
Answer:- 7.148 – 0.07 = 7.078
e. 60.91 – 2.856 =
Answer:- 60.91 – 2.856 = 58.054
f. 361.31 – 2.841 =
Answer:- 61.31 – 2.841 = 358.469
Question 3.
Solve.
a. 10 tens – 1 ten 1 tenth
Answer:- 89.9
b. 3 – 22 tenths
Answer:- 0.8
c. 37 tenths – 1 one 2 tenths
Answer:- 2.5
d. 8 ones 9 hundredths – 3.4
Answer:- 4.69
e. 5.622 – 3 hundredths
Answer:- 5.592
f. 2 ones 4 tenths – 0.59
Answer:- 1.81
Question 4.
Mrs. Fan wrote 5 tenths minus 3 hundredths on the board. Michael said the answer is 2 tenths because 5 minus 3 is 2. Is he correct? Explain.
Answer:- No, Michael is not correct. He is thinking that 5 tenths minus 3 tenths, but the question is 5 tenths minus 3 hundredths. Therefore,
5 tenths minus 3 hundredths which means 0.5 – 0.03 = 0.47.
Question 5.
A pen costs $2.09. It costs $0.45 less than a marker. Ken paid for one pen and one marker with a five-dollar bill. Use a tape diagram with calculations to determine his change.
Answer:- The pen costs $2.09 and the marker costs $0.45. So, 2.09 – 0.45 = $0.37
Eureka Math Grade 5 Module 1 Lesson 10 Exit Ticket Answer Key
Question 1.
Subtract.
1.7 – 0.8 = ___ tenths – __ tenths = __ tenths =
Answer:- 1.7 – 0.8 = 17 tenths – 8 tenths = 9 tenths = 0.9
Question 2.
Subtract vertically, showing all work.
a. 84.637 – 28.56 = ___
Answer:- 84.637 – 28.56 = 56.077
b. 7 – 0.35 = ____
Answer:- 7 – 0.35 = 6.65
Eureka Math Grade 5 Module 1 Lesson 10 Homework Answer Key
Question 1.
Subtract. You may use a place value chart.
a. 9 tenths – 3 tenths = __ tenths
Answer:- 9 tenths – 3 tenths = 6 tenths
b. 9 ones 2 thousandths – 3 ones = __ ones __ thousandths
Answer:- 9 ones 2 thousandths – 3 ones = 6 ones 2 thousandths
c. 4 hundreds 6 hundredths – 3 hundredths = ___ hundreds __ hundredths
Answer:- 4 hundreds 6 hundredths – 3 hundredths = 4 hundreds 3 hundredths
d. 56 thousandths – 23 thousandths = __ thousandths = __ hundredths __ thousandths
Answer:- 56 thousandths – 23 thousandths = 33 thousandths = 3 hundredths 3 thousandths
Question 2.
Solve using the standard algorithm.
a. 1.8 – 0.9 =
Answer:- 1.8 – 0.9 = 0.9
b. 41.84 – 0.9 =
Answer:- 41.84 – 0.9 = 40.94
c. 341.84 – 21.92 =
Answer:- 341.84 – 21.92 = 319.92
d. 5.182 – 0.09 =
Answer:- 5.182 – 0.09 = 5.092
e. 50.416 – 4.25 =
Answer:- 50.416 – 4.25 = 46.166
f. 741 – 3.91 =
Answer:- 741 – 3.91 = 737.09
Question 3.
Solve.
a. 30 tens – 3 tens 3 tenths
Answer:- 269.7
b. 5 – 16 tenths
Answer:- 3.4
c. 24 tenths – 1 one 3 tenths
Answer:- 1.1
d. 6 ones 7 hundredths – 2.3
Answer:- 3.77
e. 8.246 – 5 hundredths
Answer:- 8.196
f. 5 ones 3 tenths – 0.53
Answer:- 4.77
Question 4.
Mr. House wrote 8 tenths minus 5 hundredths on the board. Maggie said the answer is 3 hundredths because 8 minus 5 is 3. Is she correct? Explain.
Answer:- No, Maggie is not correct. She thinks 8 minus 5 is 3. Actually, the thing is 0.8 – 0.05 = 0.75.
Question 5.
A clipboard costs $2.23. It costs $0.58 more than a notebook. Lisa bought two clipboards and one notebook. She paid with a ten-dollar bill. How much change does Lisa get? Use a tape diagram to show your thinking.
Answer:- A clipboard costs $2.23 + cost of a notebook $1.65 she bought 2 clipboards and 1 notebook. So, 2.23 + 2.23 + 1.65 = 6.11
. She paid $10 dollar she will get change of $3.89.
