Addition
Subtraction
Rounding
Parenthesis
Missing Numbers
100
4 + 5
9
100
9-6=
3
100
Round 23 to the closest 10
20
100
(4 + 1) + 2 =
7
100
12 + n= 7
n=5
200
13 + 7=
20
200
17-8=
9
200
Round 4 to the closest 10
0
200
7- (5+ 2)=
0
200
54-n= 46
n=8
300
36 + 47=
83
300
26- 7=
19
300
Round 247 to the closet 10
240
300
3* (4+1)=
5
300
167 + n= 199
n = 32
400
308 + 54=
362
400
134-56=
78
400
Round 469 to the closet 100
500
400
(47-10) + 18=
55
400
4*n= 20
n=5
500
569 + 201=
770
500
342-219=
123
500
Round 2344 to the closest 10
2340
500
(17-3) + (68 + 5)=
87
500
452 - n= 245
n = 207
M
e
n
u