The fifth lesson in a sequence of lessons on fractions M A T H S MIXED STARTER Convert 9 𝟏 𝟑 to an improper fraction 4 Calculate the following simplifying your answer 3 4 + 5 7 1 Convert 𝟔𝟐 𝟑 to an Mixed number 5 6 Calculate the following. Simplify your answer fully. 4 5 x 10 12 4 72 x 12 16 2 2 5 - 1 6 = The fifth lesson in a sequence of lessons on fractions Find 6 11 of 77 3 LO: To divide fractions

The fifth lesson in a sequence of lessons on fractions Tuesday, 19 February 2019 Dividing Fractions Learning objectives: Core: will be able convert between mixed numbers and improper fractions. Challenge: yourself to be able to divide fractions. Aspire: to be able to peform divisions involving mixed numbers Vivo Star: Work in reverse multiple times Key words – numerator, denominator The fifth lesson in a sequence of lessons on fractions LO: To divide fractions

The fifth lesson in a sequence of lessons on fractions Multiply and simplify M A T H S ACQUIRE FLUENCY 1 Calculate and simplify 2 Calculate and simplify 3 Calculate by cancelling factors! 3 × 5 24 3 1 5 x 3 4 14 55 x 33 35 The fifth lesson in a sequence of lessons on fractions 4 3 x 7 8 x 3 5 x 5 7 N LO: To divide fractions

The fifth lesson in a sequence of lessons on fractions Dividing fractions M A T H S TALK ABOUT IT Reciprocate (i.e. ‘flip’) the second fraction, and use multiplication instead. 4 5 ÷ 2 3 = 4 5 × 3 2 = 𝟔 𝟓 3 7 ÷ 4 9 = 3 7 × 9 4 = 𝟐𝟕 𝟐𝟖 ? ? The fifth lesson in a sequence of lessons on fractions 2÷3 1 2 = 2 1 ÷ 7 2 = 2 1 × 2 7 = 𝟒 𝟕 8÷1 4 5 = 8 1 ÷ 9 5 = 8 1 × 5 9 = 𝟒𝟎 𝟗 2 1 2 ÷1 1 3 = 5 2 ÷ 4 3 = 5 2 × 3 4 = 𝟏𝟓 𝟖 ? ? ? LO: To divide fractions

The fifth lesson in a sequence of lessons on fractions Practice your understanding M A T H S HAVE A GO 1 Calculate and simplify 2 Calculate and simplify 6 7 ÷ 6 8 5 6 ÷ 8 6 2 3 ÷ 15 12 1 8 ÷ 5 4 3 4 ÷9 3 Calculate by cancelling factors when multiplying! 6÷ 3 4 2÷ 5 7 4 2 3 ÷ 7 5 2 1 5 ÷1 3 5 3 1 2 ÷4 3 4 8 10 ÷ 4 6 21 18 ÷ 21 24 20 22 ÷ 300 99 90 65 ÷ 12 39 108 110 ÷ 270 770 The fifth lesson in a sequence of lessons on fractions A hospital has a patient on a drip. The patient is given three fifths of the drip a day. The hospital has 2 full bags and four sevenths of a bag in supply. How long can they keep the patient on a drip? Give you answer in days LO: To divide fractions

The fifth lesson in a sequence of lessons on fractions Review operations with fractions M A T H S SUM IT UP 2 5 + 1 4 A 2 5 − 1 4 B The fifth lesson in a sequence of lessons on fractions 2 5 𝑥 1 4 C 2 5 ÷ 1 4 D LO: To divide fractions