Page 210 - NUMINO_WB_4B
P. 210
074-B6-2
3. Correct the errors in each process.
a.
60 48 (4 8)
12 (4 8)
12 12
1
b.
21 36 (3 9)
57 (3 9)
19 9
28
4. Find the expressions that have the result smaller than 20.
a. (49 24) 5 7 b. 53 (42 26) 2
c. 2 (36 15) 3 d. 25 12 4 6
3. Correct the errors in each process.
a.
60 48 (4 8)
12 (4 8)
12 12
1
b.
21 36 (3 9)
57 (3 9)
19 9
28
4. Find the expressions that have the result smaller than 20.
a. (49 24) 5 7 b. 53 (42 26) 2
c. 2 (36 15) 3 d. 25 12 4 6