Page 154 - NUMINO TG_2A

09Practice 2-Digit Addition and Subtraction Unit

043-B4-1 043-B4-2

Missing Numbers 2. Find the number that goes in both blanks.
1. Find the number that goes in both blanks.
Example
Example
15 6
9 16 15 6

16 9

a. 8 17 b. 9 21 a. 20 12 b. 23 16
21 9
17 8 20 12 23 16

c. 13 23 d. 6 19 c. 35 24 d. 7 16
23 13 19 6 35 24 7 16

e. 12 25 f . 14 31 e. 9 21 f . 17 36
25 12 31 14 9 21 17 36

Objective Find missing numbers. Objective Find missing numbers.
Textbook Reference Activity 1, Activity 2 Textbook Reference Activity 1, Activity 2

043-B5-1 043-B5-2

Find the Number that Goes in the 2. Write number sentences to find the number that goes in the .
1. Write number sentences to find the number that goes in the .
Example
Example
-?
+?
a.
a. -?
+?
b. 38
b. 16
14
23 c. 42
29
c.
19 d. 27
34 24

d.
26

41

Objective Find missing numbers in addition Objective Find missing numbers in
sentences. subtraction sentences.

Textbook Reference Activity 1 Textbook Reference Activity 2

2A Unit 09 137