MASTER ANSWER KEY: Unit 2

Operations Core

Instructor: Dr. Ada 👩‍🔬

Status: [READY FOR REVIEW]

PART 1: QUICK CHECK KEY

Use this list to check your answers fast. If you got one wrong, look at Part 2 to see how to solve it.

🟢 DRILL 2.1: The Multiplier Matrix

1. 276

2. 450

3. 225

4. 416

5. 671

6. 246

7. 880

8. 990

9. 2,500

10. 625

11. 936

12. 891

13. 64

14. 56

15. 750

16. 196

17. 1,200

18. 1,200

19. 1,134

20. 1,089

🟢 DRILL 2.2: The Division Sorter

1. 12

2. 12

3. 12

4. 11

5. 50

6. 25

7. 12

8. 8

9. 9

10. 7

11. 7

12. 9

13. 10

14. 13

15. 25

16. 10

17. 12

18. 25

19. 13

20. 100

🟢 DRILL 2.3: Decimal Alignment

1. 5.5

2. 6.7

3. 4.4

4. 8.8

5. 5.0

6. 13.4

7. 7.5

8. 21.0

9. 3.35

10. 2.50

11. 2.50

12. 1.2

13. 0.9

14. 4.14

15. 7.00

16. 4.42

17. 0.5

18. 101.0

19. 2.2

20. 0.10

🟢 DRILL 2.4: Floating Point

1. 0.6

2. 2.0

3. 0.9

4. 2.4

5. 9.9

6. 0.04

7. 0.25

8. 0.01

9. 0.06

10. 0.08

11. 2.1

12. 2.2

13. 2.1

14. 0.4

15. 0