Maths

Functions

100

Which of these is a function?

a)4h and 12h

b)7v

c)3v+6

d)f(x)=3x-1

Answer: f (x)=x3-1

200

125 cm³ to(   ) ml

125

300

4.2 litres to cm³

4200cm³

400

The shape of Tina’s kitchen is a rectangle 925 cm long by 485 cm wide.

Work out the area of Tina’s kitchen in square metres.

45

500

A rectangular piece of land measures 780 m by 550 m.

Work out the area of the land in hectares.

42.9

Metric Units

100

590kg=___g

Answer:590000g

200

34000g=___t

R=0.034t

300

12 000t = ? kg

Answer:12 000 000 kg

400

5500.28cm = ? km

Answer= 0.0550028km

500

7,183,943 g= ? t                                                            

Answer:                                                          7.183943 t

Units of Area ,Volume and Capacity.

100

0.5 m³=___cm³

5000cm³

200

55,196 ml=____ L

55.196 L

300

2.45 km2 =? m2                                                            

Answrer: 2450000

400

A juice box contains 670ml. How many Litres of juice are there in 8 of these boxes?

R=5.36L

500

A bucket of water contains 4.5 litres of water. If 4005 ml are poured out, how many litres of water are left in the bucket?

Answer 

0.495 L 

Imperial Units.

100

Answer correct:

120 miles =___km

Answer :192 km

200

125 cm³ to(   ) ml

125

300

Which of these conversions are clearly wrong?

a)160km=100 t

b)20 miles=32 km

c)40 miles =25 km

R= A and c

400

Pedro thinks 32 miles =49km

Is he correct ?Why?

R= No ,the answer is 51.2

500

Convert this distance to miles using the more accurate decimal 56.23 km=___miles

Answer:34.93969133