Question 1

Order these numbers from smallest to largest

Accepted Answer

0.0975,0.9, 0.906, 0.94,1,1.008,1.01,1.098,1.105

Question 2

Which number is exactly midway between 0.6 en 0.9 ?

Accepted Answer

0.75

Question 3

Which number is exactly midway between 0.6 en 0.08 ?

Accepted Answer

0.34

Question 4

The outer limits of an wooden chest (box) are 11.3 dm by 70.6 cm by 453 mm. De wood is 1.5 cm thick. What are the inner dimensions of the chest?

Accepted Answer

11.15 dm by 69.1 cm by 438 mm

Answer

11.15 dm by 69.1 cm by 451.5 mm

Answer

9.8 dm by 69.1 cm by 451.5 mm

Answer

9.8 dm by 69.1 cm by 438 mm

Question 5

Round 25.46528 to two decimal places

Accepted Answer

25.47

Question 6

Round 25.46528 to the next integer

Accepted Answer

25

Question 7

Round 8,257,639.9 to the nearest thousand

Accepted Answer

8,258,000

Question 8

A city increases from 84,700 to 86,400 (rounded tot the nearest hundred) inhabitants. What was the largest possible increase?

Accepted Answer

1799

Answer

1700

Answer

1851

Answer

1601

Question 9

Calculate $(-7-8) \cdot 23-721$

Accepted Answer

$-1066$

Question 10

Calculate $-8.05+\dfrac{8232:-196}{-6 \cdot 7}$

Accepted Answer

$-7.05$

Question 11

A person is 14,256,000 seconds old. Can he be in your class?

Accepted Answer

No, he's about $\frac{1}{2}$year old

Answer

No, nobody gets 165 years old...

Answer

No, he's about 27 years old

Answer

Yes, he's almost 11 years old

Question 12

Is $24.91 	imes 3.8$ more or less than 160?

Accepted Answer

Less

Answer

More

Question 13

Is $312.5 \div 0.6$ more or less than 200 ?

Accepted Answer

More

Answer

Less

Question 14

23 people are waiting for the elevator. Only 7 fit in. How many times does the elevator needs to go up?

Accepted Answer

$23 \div 7 = 3.3$  so 3 times

Answer

$23 \div 7 = 3.3$  so 4 times

Question 15

Estitmate $293.5 	imes 21.8$

Accepted Answer

About 6400

Answer

About 6000

Answer

About 6600

Answer

About 5800

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