Math Ariet 9A

Dividing fractions

100

¹₇÷ ¹_3=? 

³₇

200

²₅÷ ³₇=?

¹⁴₁₅

300

4¹₅÷ ¹₇=?

29²₅

400

3¹₄÷ 3¹₂=?

¹³₁₄

500

7⁷₈÷3¹₂=?

1⁶⁷₁₂₂

Operation on fractions

100

¹₃+¹₃=?

²₃

200

⁵₈-³₈=?

²₈

300

⁵₉+⁸₉=?

¹³₉

400

2⁵₈-1³₄=?

⁷₈

500

2⁵₈-3¹₁₆=?

2¹₁₆

Write numbers in SF

100

380?

3,8 × 10²

200

20?

2 × 10

300

4 200 000

4,2 × 10⁶

400

45 600 000 000?

4,56 × 10¹⁰

500

65 400 000 000 000?

6,54 × 10¹³

Write SF in ordinary numbers

100

3.2×10³

3200

200

5.06×10²

506

300

8.7×10^-1

0.87

400

4.25×10^-3

0.00425

500

6.003×10^-5

0,0006003

Percentage

100

What is 60% of 350?

210

200

What is 22% of 450?

99

300

A meal costs $80, and a 15% tip is added. What is the total cost of the meal, including the tip?

92

400

20% of a number is 56. What is the original number?

280

500

A price increased by 10% and then decreased by 20%. The final price is $72. What was the original price?

80