A: Module 6 Lesson 19: Problem Set

Label the rest of the array

f

g

h

i

c

d

e

b

a

8

18

16

10

4

6

12

20

14

Solve the addition problems

a

b

c

f

e

d

j

i

h

g

4

6

20

8

2

16

12

18

14

10

Fill in the missing numbers

a

b

c

d

h

g

f

e

42

32

48

38

50

26

34

44

Fill in the missing numbers

h

i

j

c

d

e

f

g

b

a

11

5

13

19

1

3

15

17

9

7

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?