Mr Michael. Year 4

The first factor of every number is ________

• 1

• 3

• 4

• 5

The last factor of every number is ________

• The number itself

• 12

• 0

• 21

The fifth multiples of 10 is __________ ?

• 50

• 28

• 23

• 45

The first 3 prime numbers are ____________.

• 2, 3, 5

• 5, 10,45

• 2, 6, 7

• 10,11,12

Calculate the LCM of 15 and 30

• 30

• 23

• 12

• 44

Find the product of 423 and 3

• 1269

• 2345

• 3454

• 4567

Find the difference between 1000 and 999

• 1

• 23

• 34

• 55

Find the H C F of 12 and 20

• 4

• 55

• 12

• 0

What is a gross ?

• 144

• 234

• 567

• 345

_____________ is a number that can divide another number without a remainder.

• Factors

• L C M

• H C F

• Prime numbers