Progression in Mastery Year 6 Percentages Missing Values

False Annie’s 20% = 30 g 120 g left after Annie Therefore 40% of

Let’s do this! Caleb and Anita both bought ice creams from different vans. Caleb

Let’s revisit what we should know… To find 10% of an amount, we divide

Let’s revisit what we should know… We can combine these methods to help us

Let’s learn We can use a bar model to help us find missing values.

Let’s talk Use what you have learnt to solve the following… 15% of ____

Let’s talk Caleb went to watch a football match with his family. 67, 200

Let’s talk Caleb has used up all of the 16 GB storage space on

Let’s develop our learning Caleb is trying to complete the statement: ‘ 65% of

Independent Task Let’s showcase our learning ©Deepening Understanding LTD 2020

Challenge A golf club has 200 members. 58% of the members are male. 50%

Exit task – Dong Nao Jin Use the cards to complete the statement. 280

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Progression in Mastery Year 6 Percentages – Missing Values Get ready to master missing values! ©Deepening Understanding LTD 2020

False Annie’s 20% = 30 g 120 g left after Annie Therefore 40% of 120 = 48 g 120 – 48 = 72 g in the fridge

Let’s do this! Caleb and Anita both bought ice creams from different vans. Caleb spent 30% of his £ 10 pocket money and Anita spent 70% of her £ 5 spending money. Whose ice cream was the most expensive? ©Deepening Understanding LTD 2020

Let’s revisit what we should know… To find 10% of an amount, we divide the amount by 10. We can use this information to help us find multiples of 10% of 90 = 9 90 9 9 20% of 90 = 9 x 2 = 18 30% of 90 = 9 x 3 = ___ 40% of 90 = 9 x ___ = ___ 50% of 90 = 9 x ___ = ___ 9 9 9 9 60% of 90 = ___ x ___ = ___ 70% of 90 = ___ x ___ = ___ 80% of 90 = ___ x ___ = ___ 90% of 90 = ___ x ___ = ___ ©Deepening Understanding LTD 2020

Let’s revisit what we should know… To find 10% of an amount, we divide the amount by 10. We can use this information to help us find 5%. 1 of 260 = 260 ÷ 10 = 26 10% of 260 = 10 If 10% of 260 is 26, then 5% = 26 ÷ 2 = ____ ©Deepening Understanding LTD 2020

Let’s revisit what we should know… We can combine these methods to help us find multiples of 5%. 10% of 120 is ___ What is 35% of 120? 30% of 120 is ___ x ___ = ___ 5% of 120 is ___ ÷ ___ = ___ 35% of 120 = ___ + ___ = ___ ©Deepening Understanding LTD 2020

Let’s learn We can use a bar model to help us find missing values. 10% of ____ = 45 The value of one equal part is ______. 45 There are ______ equal parts altogether. ______ lots of ______ is ______. The value of the whole is ______. We say You I all say it!it!it! ©Deepening Understanding LTD 2019

Let’s learn We can use a bar model to help us find missing values. 30% of ____ = 39 39 The value of three equal parts is ______. The value of one equal part is ______. There are ______ equal parts altogether. ______ lots of ______ is ______. We say You I all say it!it!it! The value of the whole is ______. ©Deepening Understanding LTD 2019

Let’s talk Use what you have learnt to solve the following… 15% of ____ = 60 80% of ____ = 448 ___% of 60 = 24 ©Deepening Understanding LTD 2020

Let’s talk Caleb went to watch a football match with his family. 67, 200 seats were filled at the stadium which is 80% of the total capacity. How many seats are there in the stadium? ©Deepening Understanding LTD 2020

Let’s talk Caleb has used up all of the 16 GB storage space on his laptop. 60% of it has been used for games, 30% has been taken up with movies and the rest of the storage is his music files. How many GB of storage has he used for each of the above? ©Deepening Understanding LTD 2020

Let’s develop our learning Caleb is trying to complete the statement: ‘ 65% of ____ is 520. ’ The missing value is 338. Is he correct? Prove it! ©Deepening Understanding LTD 2020

Challenge A golf club has 200 members. 58% of the members are male. 50% of the female members are children. (a)How many male members are in the golf club? (a)How many female children are in the golf club? 15 © White Rose Maths 2019

Exit task – Dong Nao Jin Use the cards to complete the statement. 280 300 90% 450 of 252 405 is Is there more than one possible solution? ©Deepening Understanding LTD 2019 270