A: Module 6 Lesson 19: Problem Set

Label the rest of the array

f

g

h

i

c

d

e

b

a

18

14

10

12

4

6

20

16

8

Solve the addition problems

a

b

c

f

e

d

j

i

h

g

6

10

4

20

16

8

14

18

12

2

Fill in the missing numbers

a

b

c

d

h

g

f

e

38

48

32

26

34

42

44

50

Fill in the missing numbers

h

i

j

c

d

e

f

g

b

a

9

7

3

5

19

11

1

17

15

13

24 + 1 = 25

​ (a)   + 1 = ​ (b)  

• Even
• Odd

30 + 1 = 31

​ (a)   + 1 = ​ (b)  

• Even
• Odd

6 - 1 = 5

​ (a)   - 1 = ​ (b)  

• Even
• Odd

24 - 1 = 23

​ (a)   - 1 = ​ (b)  

• Even
• Odd

30 - 1 = 29

​ (a)   - 1 = ​ (b)  

• Even
• Odd

Click on the correct answer: Is the number even or odd?