Rounding Numbers. What is a whole number? A number that stands on its own. A number without a little bit more. Whole NumbersMixed numbers 11001 302 12.

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Presentation transcript:

Rounding Numbers

What is a whole number? A number that stands on its own. A number without a little bit more. Whole NumbersMixed numbers

Rounding to nearest whole number

Division Learn to know when to round up or round down when answering division questions.

Round up or round down? There are 150 children and teachers going on a theatre trip. They need to travel from the school to the theatre in coaches. Each coach can carry 60 children. How many coaches will be needed? 150 ÷ 60= coaches neededRound up

I have saved £234. A train ticket costs £52. How many tickets can I buy. £234 ÷ 52 4 tickets only. = 4.5 tickets Round up or round down? Round down

I have 134 oil lamps. How many boxes will I need to carry all the lamps, if each box can carry 8 lamps. 134 ÷ 8 17 boxes. = boxes Round up or round down? Round up

I have 240 cakes. One box holds 52 cakes. How many boxes would I need for all the cakes. 240 ÷ 52 5 boxes = Round up or round down? Round up

1. I have saved £ 360. A train ticket costs £ 50. How many tickets can I buy? £360 ÷ 50 7 tickets = 7.2 Round up or round down? Round down

2. A coach carries 72 people. How many coaches are needed to transport 378 people on a trip to watch a football match? 378 ÷ 72 6 coaches = 5.25 Round up or round down? Round up

apples fall off the tree and need to be packed in boxes. 44 apples can fit in a box. a) How many full boxes will there be? b) How many boxes will be needed to carry all the apples? 297 ÷ 44 6 full boxes = 6.75 Round up or round down? Round down 7 boxes altogetherRound up

4. Puppets need 8 strings. How many puppets can be made from 278 strings? 278 ÷ 8 34 puppets = Round up or round down? Round down

5. A robot in a factory sews buttons on coats. Each coat has 7 buttons. The robot breaks down after sewing 328 buttons. How many coats are finished? 328 ÷ 7 46 coats = Round up or round down? Round down

A school has 250 children and they are all going on a trip together. A coach can hold 52 children. How many coaches will they need? 250 ÷ 52 5 Coaches = Round up or round down? Round up

I have 5 metres of ribbon and I need lengths of 865mm for the Summer Fayre stalls. How many of these lengths can I get from the ribbon? 5000 ÷ lengths = Round up or round down? Round down

5000 football fans are going to a match. Each stand of the football stadium holds 865 people. How many stands will the fans need ÷ stands = Round up or round down? Round up