1.
Find the result mentally using compensation.
877 − 299
A.
1,176
B.
576
C.
578
D.
668
Hint
2.
Find the result mentally.
7.3 + 5.5
A.
12.8
B.
12.2
C.
1.8
D.
35.8
Hint
3.
Find the result mentally.
12.4 − 7.1
A.
5.5
B.
5.3
C.
4.3
D.
19.5
Hint
4.
A cat weighs 8.2 pounds and a dog weighs 20.9 pounds. Find their total weight.
A.
28.1 lb
B.
28.7 lb
C.
12.7 lb
D.
29.1 lb
Hint
5.
Sum I = 56 + 29 and Sum II = 56 + 28. Which statement describes the two sums?
A.
Sum I is 29 greater than Sum II.
B.
Sum I is 1 less than Sum II.
C.
Sum I is 1 greater than Sum II.
D.
Sum II is 1 greater than Sum I.
Hint