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Addition
Subtraction
Fractions
Estimating
Geometry
100
9 + 7 =
16
100
15 - 6 =
9
100
If 1/3 of a class is boys, what fraction of the class is girls?
2/3
100
68 - 21
50
100
How many sides does a triangle have?
3
200
21 + 33 =
54
200
76 - 23 =
53
200
Which is larger, 2/3 or 2/4?
2/3
200
56 + 9 =
70
200
A square is a type of _________.
rectangle
300

456 + 678 =

1,134

300
96 - 68 =
28
300
Which fraction is equal to 1/2:   3/6 or 4/7
3/6
300
154 + 23 =
170
300
A basketball is a __________.
sphere
400
1,214 + 346 =
1,560
400
450 - 364
86
400
Put the fractions in order from least to greatest:   2/3,  3/6,  5/5, 1/6
1.6,   3/6,   2/3.   5/5
400
298 - 19 =
280
400
If a rectangular garden is 20 meters wide and 40 meters long, its perimeter is __________.
120 meters
500
23,803 + 45,684
69,487
500
4,000 - 398
3,602
500
Which fractions are equivalent to 1/3:   2/6,  3/9,  4/5,  or   6/8
2/6   and   3/9
500
2299 + 1,098 = 
3,400
500
If a rectangular table is 4 feet long and 3 feet wide, its area is __________.
12 square feet