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Engage NY Eureka Math 2nd Grade Module 3 Lesson 15 Answer Key
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Eureka Math Grade 2 Module 3 Lesson 15 Sprint Answer Key
A. Expanded Notation
Answer:
20 + 1 = 21, 20 + 2 = 22, 20 + 3 = 23, 20 + 9 = 29, 30 + 9 = 39, 40 + 9 = 49, 80 + 9 = 89, 40 + 4 = 44, 50 + 5 = 55, 10 + 7 = 17, 20 + 5 = 25, 200 + 30 = 230, 300 + 40 = 340, 400 + 50 = 450, 500 + 60 = 560, 600 + 70 = 670, 700 + 80 = 780, 200 + 30 + 5 = 235, 400 + 50 + 6 = 456, 300 + 40 + 5 = 345, 500 + 60 + 7 = 567, 600 + 70 + 8 = 678, 400 + 20 + 5 = 425, 200 + 60 + 1 = 261, 200 + 1 = 201, 300 + 1 = 301, 400 + 1 = 401, 500 + 1 = 501, 700 + 1 = 701, 300 + 50 + 2 = 352, 300 + 2 = 302, 100 + 10 + 7 = 117, 100 + 7 = 107, 700 + 10 + 5 = 715, 700 + 5 = 705, 300 + 40 + 7 = 347, 300 + 7 = 307, 500 + 30 + 2 = 532, 500 + 2 = 502, 2 + 500 = 502, 2 + 600 = 602, 2 + 40 + 600 = 642, 3 + 10 + 700 = 713.
Explanation:
In the above-given question,
given that,
write the numbers in the expanded form.
20 + 1 = 21, 20 + 2 = 22, 20 + 3 = 23, 20 + 9 = 29, 30 + 9 = 39, 40 + 9 = 49, 80 + 9 = 89, 40 + 4 = 44, 50 + 5 = 55, 10 + 7 = 17, 20 + 5 = 25, 200 + 30 = 230, 300 + 40 = 340, 400 + 50 = 450, 500 + 60 = 560, 600 + 70 = 670, 700 + 80 = 780, 200 + 30 + 5 = 235, 400 + 50 + 6 = 456, 300 + 40 + 5 = 345, 500 + 60 + 7 = 567, 600 + 70 + 8 = 678, 400 + 20 + 5 = 425, 200 + 60 + 1 = 261, 200 + 1 = 201, 300 + 1 = 301, 400 + 1 = 401, 500 + 1 = 501, 700 + 1 = 701, 300 + 50 + 2 = 352, 300 + 2 = 302, 100 + 10 + 7 = 117, 100 + 7 = 107, 700 + 10 + 5 = 715, 700 + 5 = 705, 300 + 40 + 7 = 347, 300 + 7 = 307, 500 + 30 + 2 = 532, 500 + 2 = 502, 2 + 500 = 502, 2 + 600 = 602, 2 + 40 + 600 = 642, 3 + 10 + 700 = 713.
Question 1.
20 + 1 = 21.
Answer:
20 + 1 = 21.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
20 + 1.
20 + 1 = 21.
21 – 1 = 20.
Question 2.
20 + 2 = 22.
Answer:
20 + 2 = 22.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
20 + 2.
20 + 2 = 22.
22 – 2 = 20.
Question 3.
20 + 3 = 23.
Answer:
20 + 3 = 23.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
20 + 3.
20 + 3 = 23.
23 – 3 = 20.
Question 4.
20 + 9 = 29.
Answer:
20 + 9 = 29.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
20 + 9.
20 + 9 = 29.
29 – 9 = 20.
Question 5.
30 + 9 = 39.
Answer:
30 + 9 = 39.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
30 + 9.
30 + 9 = 39.
39 – 9 = 30.
Question 6.
40 + 9 = 49.
Answer:
40 + 9 = 49.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
40 + 9.
40 + 9 = 49.
49 – 9 = 40.
Question 7.
80 + 9 = 89.
Answer:
80 + 9 = 89.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
80 + 9.
80 + 9 = 89.
89 – 9 = 80.
Question 8.
40 + 4 = 44.
Answer:
40 + 4 = 44.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
40 + 4.
40 + 4 = 44.
44 – 4 = 40.
Question 9.
50 + 5 = 55.
Answer:
50 + 5 = 55.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
50 + 5.
50 + 5 = 55.
55 – 5 = 50.
Question 10.
10 + 7 = 17.
Answer:
10 + 7 = 17.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
10 + 7.
10 + 7 = 17.
17 – 7 = 10.
Question 11.
20 + 5 = 25.
Answer:
20 + 5 = 25.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
20 + 5.
20 + 5 = 25.
25 – 5 = 20.
Question 12.
200 + 30 = 230.
Answer:
200 + 30 = 230.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
200 + 30.
200 + 30 = 230.
230 – 30 = 200.
Question 13.
300 + 40 = 340.
Answer:
300 + 40 = 340.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 40.
300 + 40 = 340.
340 – 40 = 300.
Question 14.
400 + 50 = 450.
Answer:
400 + 50 = 450.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
400 + 50.
400 + 50 = 450.
450 – 50 = 400.
Question 15.
500 + 60 = 560.
Answer:
500 + 60 = 560.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 60.
500 + 60 = 560.
560 – 60 = 500.
Question 16.
600 + 70 = 670.
Answer:
600 + 70 = 670.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 70.
600 + 70 = 670.
670 – 70 = 600.
Question 17.
700 + 80 = 780.
Answer:
700 + 80 = 780.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
700 + 80.
700 + 80 = 780.
780 – 80 = 700.
Question 18.
200 + 30 + 5 = 235.
Answer:
200 + 30 + 5 = 235.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
200 + 30.
200 + 30 = 230.
230 + 5 = 235.
Question 19.
300 + 40 + 5 = 345.
Answer:
300 + 40 + 5 = 345.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 40.
300 + 40 = 340.
340 + 5 = 345.
Question 20.
400 + 50 + 6 = 456.
Answer:
400 + 50 + 6 = 456.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
400 + 50.
400 + 50 = 450.
450 + 6 = 456.
Question 21.
500 + 60 + 7 = 567.
Answer:
500 + 60 + 7 = 567.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 60.
500 + 60 = 560.
560 + 7 = 567.
Question 22.
600 + 70 + 8 = 678.
Answer:
600 + 70 + 8 = 678.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 70.
600 + 70 = 670.
670 + 8 = 678.
Question 23.
400 + 20 + 5 = 425.
Answer:
400 + 20 + 5 = 425.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
400 + 20.
400 + 20 = 420.
420 + 5 = 425.
Question 24.
200 + 60 + 1 = 261.
Answer:
200 + 60 + 1 = 261.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
200 + 60.
200 + 60 = 260.
260 + 1 = 261.
Question 25.
200 + 1 = 201.
Answer:
200 + 1 = 201.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
200 + 1.
200 + 1 = 201.
201 – 1 = 200.
Question 26.
300 + 1 = 301.
Answer:
300 + 1 = 301.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 1.
300 + 1 = 301.
301 – 1 = 300.
Question 27.
400 + 1 = 401.
Answer:
400 + 1 = 401.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
400 + 1.
400 + 1 = 401.
401 – 1 = 400.
Question 28.
500 + 1 = 501.
Answer:
500 + 1 = 501.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 1.
500 + 1 = 501.
501 – 1 = 500.
Question 29.
700 + 1 = 701.
Answer:
700 + 1 = 701.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
700 + 1.
700 + 1 = 701.
701 – 1 = 700.
Question 30.
300 + 50 + 2 = 352.
Answer:
300 + 50 + 2 = 352.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 50.
300 + 50 = 350.
350 + 2 = 352.
Question 31.
300 + 2 = 302.
Answer:
300 + 2 = 302.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 2.
300 + 2 = 302.
302 – 2 = 200.
Question 32.
100 + 10 + 7 = 117.
Answer:
100 + 10 + 7 = 117.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
100 + 10.
100 + 10 = 110.
110 + 7 = 117.
Question 33.
100 + 7 = 107.
Answer:
100 + 7 = 107.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
100 + 7.
100 + 7 = 107.
107 – 7 = 100.
Question 34.
700 + 10 + 5 = 715.
Answer:
700 + 10 + 5 = 715.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
700 + 10.
700 + 10 = 710.
710 + 5 = 715.
Question 35.
700 + 5 = 705.
Answer:
700 + 5 = 705.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
700 + 5.
700 + 5 = 705.
705 – 5 = 700.
Question 36.
300 + 40 + 7 = 347.
Answer:
300 + 40 + 7 = 347.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 40.
300 + 40 = 340.
340 + 7 = 347.
Question 37.
300 + 7 = 307.
Answer:
300 + 7 = 307.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 7.
300 + 7 = 307.
307 – 7 = 300.
Question 38.
500 + 30 + 2 = 532.
Answer:
500 + 30 + 2 = 532.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 30.
500 + 30 = 530.
530 + 2 = 532.
Question 39.
500 + 2 = 502.
Answer:
500 + 2 = 502.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 2.
500 + 2 = 502.
502 – 2 = 500.
Question 40.
2 + 500 = 502.
Answer:
500 + 2 = 502.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 2.
500 + 2 = 502.
502 – 2 = 500.
Question 41.
2 + 600 = 602.
Answer:
600 + 2 = 602.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 2.
600 + 2 = 602.
602 – 2 = 600.
Question 42.
2 + 40 + 600 = 642.
Answer:
600 + 40 + 2 = 642.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 40.
600 + 40 = 640.
640 + 2 = 642.
Question 43.
3+ 10 + 700 = 713.
Answer:
700 +10 + 3 = 713.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
700 + 10.
700 + 10 = 710.
710 + 3 = 713.
Question 44.
8 + 30 + 700 = 738.
Answer:
700 +30 + 8 = 738.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
700 + 30.
700 + 30 = 730.
730 + 8 = 738.
B. Expanded Notation
Answer:
10 + 1 = 10, 10 + 2 = 12, 10 + 3 = 13, 10 + 4 = 14, 10 + 9 = 19, 20 + 9 = 29, 30 + 9 = 39, 70 + 9 = 79, 30 + 3 = 33, 40 + 4 = 44, 80 + 7 = 87, 90 + 5 = 95, 100 + 20 = 120, 200 + 30 = 230, 300 + 40 = 340, 400 + 50 = 450, 500 + 60 = 560, 600 + 70 = 670, 300 + 40 + 5 = 345, 400 + 50 + 6 = 456, 500 + 60 + 7 = 567, 600 + 70 + 8 = 678, 700 + 80 + 9 = 789, 500 + 30 + 6 = 536, 300 + 70 + 1 = 371, 300 + 1 = 301, 400 + 1 = 401, 500 + 1 = 501, 600 + 1 = 601, 900 + 1 = 901, 400 + 60 + 3 = 463, 400 + 3 = 403, 100 + 10 + 5 = 115, 100 + 5 = 105, 800 + 10 + 5 = 815, 800 + 5 = 805, 200 + 30 + 7 = 237, 200 + 7 = 207, 600 + 40 + 2 = 642, 600 + 2 = 602, 2 + 600 = 602, 3 + 600 = 603, 3 + 40 + 600 = 643, 5 + 10 + 800 = 815, 700 + 20 + 9 = 729.
Explanation:
In the above-given question,
given that,
write the numbers in the expanded form.
10 + 1 = 10, 10 + 2 = 12, 10 + 3 = 13, 10 + 4 = 14, 10 + 9 = 19, 20 + 9 = 29, 30 + 9 = 39, 70 + 9 = 79, 30 + 3 = 33, 40 + 4 = 44, 80 + 7 = 87, 90 + 5 = 95, 100 + 20 = 120, 200 + 30 = 230, 300 + 40 = 340, 400 + 50 = 450, 500 + 60 = 560, 600 + 70 = 670, 300 + 40 + 5 = 345, 400 + 50 + 6 = 456, 500 + 60 + 7 = 567, 600 + 70 + 8 = 678, 700 + 80 + 9 = 789, 500 + 30 + 6 = 536, 300 + 70 + 1 = 371, 300 + 1 = 301, 400 + 1 = 401, 500 + 1 = 501, 600 + 1 = 601, 900 + 1 = 901, 400 + 60 + 3 = 463, 400 + 3 = 403, 100 + 10 + 5 = 115, 100 + 5 = 105, 800 + 10 + 5 = 815, 800 + 5 = 805, 200 + 30 + 7 = 237, 200 + 7 = 207, 600 + 40 + 2 = 642, 600 + 2 = 602, 2 + 600 = 602, 3 + 600 = 603, 3 + 40 + 600 = 643, 5 + 10 + 800 = 815, 700 + 20 + 9 = 729.
Question 1.
10 + 1 = 11.
Answer:
10 + 1 = 11.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
10 + 1.
10 + 1 = 11.
11 – 1 = 10.
Question 2.
10 + 2 = 12.
Answer:
10 + 2 = 12.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
10 + 2.
10 + 2 = 12.
12 – 2 = 10.
Question 3.
10 + 3 = 13.
Answer:
10 + 3 = 13.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
10 + 3.
10 + 3 = 13.
13 – 3 = 10.
Question 4.
10 + 9 = 19.
Answer:
10 + 9 = 19.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
10 + 9.
10 + 9 = 19.
19 – 9 = 10.
Question 5.
20 + 9 = 29.
Answer:
20 + 9 = 29.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
20 + 9.
20 + 9 = 29.
29 – 9 = 20.
Question 6.
30 + 9 = 39.
Answer:
30 + 9 = 39.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
30 + 9.
30 + 9 = 39.
39 – 9 = 30.
Question 7.
70 + 9 = 79.
Answer:
70 + 9 = 79.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
70 + 9.
70 + 9 = 79.
79 – 9 = 70.
Question 8.
30 + 3 = 33.
Answer:
30 + 3 = 33.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
30 + 3.
30 + 3 = 33.
33 – 3 = 30.
Question 9.
40 + 4 = 44.
Answer:
40 + 4 = 44.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
40 + 4.
40 + 4 = 44.
44 – 4 = 40.
Question 10.
80 + 7 = 87.
Answer:
80 + 7 = 87.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
80 + 7.
80 + 7 = 87.
87 – 7 = 80.
Question 11.
90 + 5 = 95.
Answer:
90 + 5 = 95.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
90 + 5.
90 + 5 = 95.
95 – 5 = 90.
Question 12.
100 + 20 = 120.
Answer:
100 + 20 = 120.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
100 + 20.
100 + 20 = 120.
120 – 20 = 120.
Question 13.
200 + 30 = 230.
Answer:
200 + 30 = 230.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
200 + 30.
200 + 30 = 230.
230 – 30 = 200.
Question 14.
300 + 40 = 340.
Answer:
300 + 40 = 340.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 40.
300 + 40 = 340.
340 – 40 = 300.
Question 15.
400 + 50 = 450.
Answer:
400 + 50 = 450.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
400 + 50.
400 + 50 = 450.
450 – 50 = 400.
Question 16.
500 + 60 = 560.
Answer:
500 + 60 = 560.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 60.
500 + 60 = 560.
560 – 60 = 500.
Question 17.
600 + 70 = 670.
Answer:
600 + 70 = 670.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 70.
600 + 70 = 670.
670 – 70 = 600.
Question 18.
300 + 40 + 5 = 345.
Answer:
300 + 40 + 5 = 345.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 40.
300 + 40 = 340.
340 + 5 = 345.
Question 19.
400 + 50 + 6 = 456.
Answer:
400 + 50 + 6 = 456.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
400 + 50.
400 + 50 = 450.
450 + 6 = 456.
Question 20.
500 + 60 + 7 = 567.
Answer:
500 + 60 + 7 = 567.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 60.
500 + 60 = 560.
560 + 7 = 567.
Question 21.
600 + 70 + 8 = 678.
Answer:
600 + 70 + 8 = 678.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 70.
600 + 70 = 670.
670 + 8 = 678.
Question 22.
700 + 80 + 9 = 789.
Answer:
700 + 80 + 9 = 789.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
700 + 80.
700 + 80 = 780.
780 + 9 = 789.
Question 23.
500 + 30 + 6 = 536.
Answer:
500 + 30 + 6 = 536.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 30.
500 + 30 = 530.
530 + 6 = 536.
Question 24.
300 + 70 + 1 = 371.
Answer:
300 + 70 + 1 = 371.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 70.
300 + 70 = 370.
370 + 1 = 371.
Question 25.
300 + 1 = 301.
Answer:
300 + 1 = 301.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
300 + 1.
300 + 1 = 301.
301 – 1 = 300.
Question 26.
400 + 1 = 401.
Answer:
400 + 1 = 401.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
400 + 1.
400 + 1 = 401.
Question 27.
500 + 1 = 501.
Answer:
500 + 1 = 501.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
500 + 1.
500 + 1 = 501.
Question 28.
600 + 1 = 601.
Answer:
600 + 1 = 601.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 1.
600 + 1 = 601.
Question 29.
900 + 1 = 901.
Answer:
900 + 1 = 901.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
900 + 1.
900 + 1 = 901.
Question 30.
400 + 60 + 3 = 463.
Answer:
400 + 60 + 3 = 463.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
400 + 60.
400 + 60 = 460.
460 + 3 = 463.
Question 31.
400 + 3 = 403.
Answer:
400 + 3 = 403.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
400 + 3.
400 + 3 = 403.
Question 32.
100 + 10 + 5 = 115.
Answer:
100 + 10 + 5 = 115.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
100 + 10.
100 + 10 = 110.
110 + 5 = 115.
Question 33.
100 + 5 = 105.
Answer:
100 + 5 = 105.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
100 + 5.
100 + 5 = 105.
Question 34.
800 + 10 + 5 = 815.
Answer:
800 + 10 + 5 = 815.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
800 + 10.
800 + 10 = 810.
810 + 5 = 815.
Question 35.
800 + 5 = 805.
Answer:
800 + 5 = 805.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
800 + 5.
800 + 5 = 805.
Question 36.
200 + 30 + 7 = 237.
Answer:
200 + 30 + 7 = 237.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
200 + 30.
200 + 30 = 230.
230 + 7 = 237.
Question 37.
200 + 7 = 207.
Answer:
200 + 7 = 207.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
200 + 7.
200 + 7 = 207.
600 + 40 + 2 = 642.
Answer:
600 + 40 + 2 = 642.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 40.
600 + 40 = 640.
640 + 2 = 642.
Question 39.
600 + 2 = 602.
Answer:
600 + 2 = 602.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 2.
600 + 2 = 602.
Question 40.
2 + 600 = 602.
Answer:
600 + 2 = 602.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 2.
600 + 2 = 602.
Question 41.
3 + 600 = 603.
Answer:
600 + 3 = 603.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 3.
600 + 3 = 603.
Question 42.
3 + 40 + 600 = 643.
Answer:
600 + 40 + 3 = 643.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
600 + 40.
600 + 40 = 640.
640 + 3 = 643.
Question 43.
5 + 10 + 800 = 815.
Answer:
800 + 10 + 5 = 815.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
800 + 10.
800 + 10 = 810.
810 + 5 = 815.
Question 44.
9 + 20 + 700 = 729.
Answer:
700 + 20 + 9 = 729.
Explanation:
In the above-given question,
given that,
write the number in the expanded form.
700 + 20.
700 + 20 = 720.
720 + 9 = 729.
Eureka Math Grade 2 Module 3 Lesson 15 Problem Set Answer Key
Pencils come in boxes of 10.
There are 14 boxes.
Question 1.
How many pencils are there in all? Explain your answer using words, pictures, or numbers.
Answer:
The number of pencils in all = 140.
Explanation:
In the above-given question,
given that,
pencils come in boxes of 10.
There are 14 boxes.
14 x 10 = 140.
so the number of pencils in all = 140.
Question 2.
The principal wants to have 300 pencils for the second graders for October, November, and December. How many more boxes of pencils does he need?
Explain your answer using words, pictures, or numbers.
Answer:
The number of pencils he needs = 160.
Explanation:
In the above-given question,
given that,
The principal wants to have 300 pencils for the second graders for October, November, and December.
140 + 160 = 300.
300 – 140 = 160.
so the number of pencils he needs = 160.
Question 3.
The principal found 7 boxes in the supply closet and 4 boxes in a desk drawer.
Now does he have what he wants for the second graders? Explain your answer using words, pictures, or numbers.
Answer:
The Principal what he wants for the second graders = 190.
Explanation:
In the above-given question,
given that,
The principal found 7 boxes in the supply closet and 4 boxes in a desk drawer.
7 x 10 = 70.
4 x 10 = 40.
70 + 40 = 110.
300 – 110 = 190.
Question 4.
How many boxes of pencils do you think your class will need for January, February, March, and April? How many pencils is that? Explain your answer using words, pictures, or numbers.
Answer:
The number of boxes of pencils does you think = 160.
Explanation:
In the above-given question,
given that,
January = 40.
40 x 4 = 160.
so the number of boxes of pencils do you think = 160.
Eureka Math Grade 2 Module 3 Lesson 15 Exit Ticket Answer Key
Think about the different strategies and tools your classmates used to answer the pencil question. Explain a strategy you liked that is different from yours using words, pictures, or numbers.
Answer:
Eureka Math Grade 2 Module 3 Lesson 15 Homework Answer Key
Pencils come in boxes of 10.
Question 1.
How many boxes should Erika buy if she needs 127 pencils?
Answer:
The number of boxes that should Erika buy if she needs = 13 boxes.
Explanation:
In the above-given question,
given that,
Erika buys if she needs 127 pencils.
13 x 10 = 130.
Question 2.
How many pencils will Erika have left over after she gets what she needs out of the boxes?
Answer:
The number of pencils will Erika has leftover = 3 pencils.
Explanation:
In the above-given question,
given that,
13 x 10 = 130.
130 – 127 = 3.
so the number of pencils will Erika has leftover = 3 pencils.
Question 3.
How many more pencils does she need to have 200 pencils?
Answer:
The more pencils do need to have 200 pencils = 70.
Explanation:
In the above-given question,
given that,
13 x 10 = 130.
200 – 130 = 70.
so the more pencils need to have 200 pencils = 70.