Дистанційне навчання 6-D 19/04/2021 Pace Work ( Maths)

 Monday, the nineteenth of April 

Theme: How to Multiply Mixed Fractions With Whole Numbers

Lesson 2

Mixed Numbers

· Mixed Numbers are fractions written as a natural number plus a fraction where the denominator is greater than the numerator.

Mixed numbers are popular because the integer part gives an indication of their size, but otherwise they have little to recommend them. They form an exception (the only exception) to the rule that a missing operator means multiplication, and they make the arithmetic operations harder to carry out. We will not use them in this class and I recommend you ignore their existence.

T.: Answer the questions:

Do the fraction multiplication question, 4 x 2/3, by using repeated addition.

 Redo the question, 4 x 2/3, by using a number line.

 Should the answers for part a) and part b) be the same?

 Do the fraction multiplication question, 2 x 3/4, by using repeated addition.

 Redo the question, 2 x 3/4, by using fraction circles (or bars).

 Should the answers for part a) and part b) be the same?

 

T.: Now, let's do some tasks (card#2).

1) Write the improper fraction equivalent for each mixed number.

2) Convert these improper fractions into mixed numbers. The answers do not have to be in the simplest form.

3) Solve each of the following problems (card#3). Show your work.

a) Mark had 4 lengths of string. Each string was 2/3 metres long. Mark combined

the four lengths into a long string. How long would it be?

b) Janice walks in order to keep fit. She walks 9/10 km each day. If she walked 12

days in a row, what would be the total distance she walked?

c) Barb had 3/8 of a litre of orange juice in the fridge. She poured 2/3 of it into a

glass to drink. How much orange juice did she pour into the glass?

d) Jason bought 2 3/4 kg of candies. He ate 1/5 of the candy right away. How

much candy did he eat?