Reevy Hill Primary School

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Maths

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Multiplication and Division

 

 

Monday - multiply by 1 and 0

Watch the video below to learn about multiplying by 1 and 0. Then complete the activities below in your books.

Multiplying by 0 or 1

Activity 1

a)  5 x 1 = __

b)  1 x 1 = __

c)  4 x __ = 4

d)  __ = 1 x 7 

e)  0 = __ x 42

f)  63 x 1 = __

g)  __ x 27 = 0

h)  50 x __ = 50

 

 

Activity 2 - word problems

  1. Dave buys 72 eggs and puts them all in one basket. How many eggs are in the basket?
  2. Bobbie finds a shop selling games consoles for £79. She buys one game console. How much does she spend?
  3. Samit’s dad earns £65 per shift, but last week he could not work as he was ill. How much did he earn altogether last week?

 

Activity 3

 

Tuesday - divide by 1

Watch the video below showing how to divide a number by 1 or itself. Then complete the activities below.

Dividing a number by 1 or itself

Activity 1

Complete these calculations.

a)  6 ÷ 1 = __

b)  5 ÷ 5 = __ 

c)  22 ÷ 1 = __

d)  __ = 1 ÷ 1

e)  __ = 10 ÷ 10

f)  __ ÷ 35 = 1

g)  50 ÷ __ = 1

h)  76 ÷ 1 = __

i)  __ ÷ 1 = __

 

Activity 2

Complete these words problems.

Remember to write the calculation and then the full sentence.

Wednesday - Multiply by 10

Watch the videos below and then complete the activities.

Multiply by 10

Activity 1

 

a) 12 x 10 =

b) 10 x 18 =

c) 22 x 10 =

d) 25 x 10 =

e) 55 x 10 =

f) 10 x 76 =

g) 9 x 10 x 10 =

h) 10 x 10 x 16 =

Multiply by 10 - word problems

Activity 2 - word problems

 

a) A ruler is 50 cm long. How long would 10 rules be in centimetres?

 

b) A toy costs £34.  How much would 10 toys cost?

 

c) A shop keeper bought 10 boxes of sweets. Each box has 56 sweets. How many sweets did the shop keeper buy altogether?

 

d) The school bought 37 packs of pencils on Monday and 12 on Tuesday. There were 10 pencils in each pack. How many pencils has the school bought altogether?

 

e) For the party, 54 goody bags were prepared on Tuesday and 23 prepared on Wednesday. Each bag has 10 presents inside. How many presents are in these bags altogether?

 

Thursday - Multiply by 100

Watch the video below and then complete the activities.

Multiply by 100

Activity 1

a)  15 x 100 =

b)  100 x 17 =

c)  2 x 100 =

d)  75 x 100 =

e)  56 x 100 =

f)  100 x 36 =

g)  9 x 100 =

h)  10 x 10 x 6 =

 

Activity 2 - word problems

Watch yesterdays 'word problem' video to recall how to solve a word problem.

 

a)  A doll is 50 cm long. How long would 100 dolls be in centimetres?

 

b)  A car costs £100.  How much would 25 cars cost?

 

c)  A farmer bought 100 chickens. Each chicken laid 15 eggs each. How many eggs did the farmer have altogether?

 

d)  At a theme park 58 people payed £100 each for a ticket. How much did the theme park make from these people?

 

e)  The gym bought 23 treadmills in September and 16 in October. One treadmill has a weight limit of 100 kg. What is the weight limit on the treadmills altogether?

 

Reasoning

56 x 100 is the same as 56 x 10 x 10, is this true?

 

Friday - divide by 10

Please click on the BBC Bitesize link below and the follow the lesson to learn how to divide numbers by 10 and use the decimal point to show the answer.

 

Watch the video on the BBC Bitesize page and complete the activities that are provided on there.

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