1.
Round to the nearest ten. Estimate the sum.
A.
60
B.
70
C.
80
D.
50
Hint
2.
How many tens and ones?
42 ones = ____
A.
2 tens, 4 ones
B.
4 tens, 2 ones
C.
2 tens, 2 ones
D.
4 tens, 4 ones
Hint
3.
Find the sum.
A.
90
B.
70
C.
100
D.
80
Hint
4.
Sam has 3 red pencils. Lu has 4 purple pencils. Mari has 2 blue pencils. How many pencils do they have altogether?
A.
10
B.
7
C.
8
D.
9
Hint
5.
Find 17 + 40 .
A.
55
B.
56
C.
58
D.
57
Hint
6.
Find 34 + 5.
A.
38
B.
40
C.
37
D.
39
Hint
7.
Find the sum.
A.
31
B.
33
C.
32
D.
30
Hint
8.
Find the sum.
A.
31
B.
33
C.
32
D.
22
Hint
9.
Find the sum.
A.
101
B.
99
C.
94
D.
98
Hint
10.
Find the sum.
A.
75
B.
78
C.
77
D.
76
Hint