Math For 4th Grade

Adding

100

What is 15 + 15

30

200

What is 150 + 75

225

300

What is 1,670 + 457

2,127

400

What is 2,000 + 4,560

6,560

500

What is 15,000 + 127,930

142,930

Subtraction

100

What is 27-15

12

200

What is 154-59

95

300

90- 12-2=?

?= 76

400

187-12-6?

169

500

1,786-237

1,519

Geometry

100

What is a 90 degree angle called?

Right angle

200

What do you call a angle that is more than 90 degrees?

Obtuse angle

300

What is a angle less than 90 degrees angle called?

Acute angle

400

What do you call a 180 degree angle?

Straight Angle

500

If a sprinkler can turn 270 degrees. If the sprinkler is at 125 degrees how many degrees can the sprinkler still turn?

145 degrees

Fractions

100

what is 1/2 + 1/2?

2/2 or 1

200

What is 3/4 + 2/12?

11/12

300

What is 2/3 - 7/3?

5/3 or 1 2/3

400

What is 3/6 + 9/6?

12/6 or 2

500

What is 2 4/2 - 3/2?

2 1/2 or 5/2

Deciamals

100

4.2 + 0.6?

4.8

200

12.5 - 11.4?

1.1

300

123.8 + 123.1?

246.9

400

2,393.5 + 2,403.2?

4,796.7

500

12,908.3 + 13,054.6?

25,992.9