Revision test 2

+ 45 - 95 =

• - 50

• 50

• 100

• - 100

120 x (26 - 16) =

• -1200

• 1200

• 1206

• 12000

8² + 4³ =

• 128

• 12.8

• 0.128

• 280

Find the difference of cube of 7 and 9.

45000 ÷ 10⁵

• 0.45

• 4,500,000,000

• 4500

• O.0045

6.12 × 10⁴ =

• 61200

• 0.612

• 6120

• 612

_____ km = 90,000,000 mm

Answer explanation

_____ mg = 0.75g

Answer explanation

...... km = 15,600,000 mm

• 15.6

• 156

• 1.56

• 1560

Ronaldo and Messi are comparing the number 8.27 and 8.4. Who is correct?

• Ronaldo says 8.27 is greater than 8.4 because 27 is greater than 4.

• Messi says 8.4 is greater than 8.27 because 4 tenths in 8.4 are greater than 2 tenths in 8.27