L I To convert from smaller to larger

L. I. To convert from smaller to larger units of measure Revision Complete these key facts about measures: There are… ____mm in 1 cm ____ cm in 1 m ____m in 1 km ____g in 1 kg ____ml in 1 litre ____ seconds in 1 hour ____ hours in 1 day ____ months in 1 year ____p in 1 pound

L. I. To convert from smaller to larger units of measure Revision Complete these key facts about measures: There are… 10 mm in 1 cm 100 cm in 1 m 1, 000 m in 1 km 1, 000 g in 1 kg 1, 000 ml in 1 litre 60 seconds in 1 hour 24 hours in 1 day 12 months in 1 year 100 p in 1 pound

L. I. To convert from smaller to larger units of measure In yesterday’s lesson, we were converting larger units to smaller units using multiplication. What do you think we need to do in order to convert smaller units to larger ones? Divide!

L. I. To convert from smaller to larger units of measure There are 60 minutes in 1 hour How many hours are there in 180 minutes? hours minutes 60 How many minutes are there in 1 hour? (You can count the dots if you wish but you SHOULD know this!) 180 60 3 180

L. I. To convert from smaller to larger units of measure When we convert minutes to hours, we need to divide by 60 because there are 60 minutes in every hour. Dividing by 60 may seem scary, but it really isn’t! We can use our 6 x table facts to help us. Complete the table. Remember that if the number we are multiplying becomes 10 x bigger, so too does the answer! 1 x 6=6 2 x 6 = 12 3 x 6 = 18 4 x 6 = 24 5 x 6 = 30 6 x 6 = 36 7 x 6 = 42 1 x 60 = 60 2 x 60 = 120 3 x 60 = 180 4 x 60 = 5 x 60 = 6 x 60 = 7 x 60 =

L. I. To convert from smaller to larger units of measure When we convert minutes to hours, we need to divide by 60 because there are 60 minutes in every hour. Dividing by 60 may seem scary, but it really isn’t! We can use our 6 x table facts to help us. Complete the table. Remember that if the number we are multiplying becomes 10 x bigger, so too does the answer! 1 x 6=6 2 x 6 = 12 3 x 6 = 18 4 x 6 = 24 5 x 6 = 30 6 x 6 = 36 7 x 6 = 42 1 x 60 = 60 2 x 60 = 120 3 x 60 = 180 4 x 60 = 240 5 x 60 = 300 6 x 60 = 360 7 x 60 = 420

L. I. To convert from smaller to larger units of measure 480 minutes = ____ hours Which 6 x table fact can help you here? 6 x 8 = 48 48 ÷ 6 = 8 8 480 ÷ 60 = 8

L. I. To convert from smaller to larger units of measure 12 hours 720 minutes = ____ Answer the question above. Which 6 x table fact can help you? 72 divided by 6 = 12 720 divided by 60 = 12

L. I. To convert from smaller to larger units of measure Look out for any numbers that look like they are halfway between 1 whole unit of measure and the next one…. 1 and ½ hours or 90 minutes 1 hour Or 60 minutes 2 hours Or 120 minutes

L. I. To convert from smaller to larger units of measure 0. 655 km 0. 55 kg

L. I. To convert from smaller to larger units of measure 5 weeks Don’t be fooled by the way that this question is written. Even though the larger measure has been written first, we still need to divide the smaller unit by how many days there are in a week!

L. I. To convert from smaller to larger units of measure Convert the smaller unit to the larger one by using division. Remember to use your known facts about measures to work out the number you need to divide by! 1) 2) 3) 4) 5) 6) 7) 4000 g = ___kg 2580 ml = __ L 398 cm = ___ m 420 minutes = ___ hours 210 seconds = ____ minutes 144 months = ____ years ____ weeks = 91 days

L. I. To convert from smaller to larger units of measure