# Numbers, Operations and Relationships - Term 1 Flashcards

Write 3 654 765 in words.

Three million, six hundred and fifty-four thousand, seven hundred and sixty-five.

Write in digits: seven million, two hundred and eighty-three thousand and twelve.

7 283 012

Fill in >, < or =

a) 276 004 125 ? 277 455 887

b) 60 thousand ? 600 000

c) 800 000 000 ? 6 thousand + 80 million

a) <

b) <

c) >

There are 2 657 234 people in Sparta and 4 567 923 people in Troy.

a) How many people live in Sparta and Troy together?

b) Which city has the greater population?

c) How many more people live in the larger city than the smaller city?

a) 7 225 157

b) Troy

c) 1 910 689

Rearrange the digits in the number 1 787 064:

a) to make the biggest seven-digit number; and

b) the smallest seven-digit number

a) 8 776 410

b) 0 146 778

Use the expanded vertical method to add 65 983 to 15 118.

65 983 = 60000 + 5000 + 900 + 80 + 3

15 118 = 10000 + 5000 + 100 + 10 + 8

————————————————————

= 70000 + 10000 + 1000 + 90 + 11

= 80000 + 1000 + 100 + 1

= 81 101

Use the vertical column method to add 44 569 to 23 129.

44 569

23 129

———–

67 698

Use the expanded vertical method to subtract 18 765 from 65 983.

65 983 = 60000 + 5000 + 900 + 80 + 3

18 765 = 10000 + 8000 + 700 + 60 + 5

———————————————————-

40000 + 7000 + 200 + 10 + 8

= 47 218

Use the vertical column method to subtract 23 129 from 44 569.

44 568

23 129

———-

21 439

Which of these are

a) proper fractions

b) improper fractions

c) mixed numbers

(think of “/” as meaning over, as in 1/2 is a half)

2/8 ; 1/6 ; 1 2/3 (1 and 2 thirds); 5/4 ; 2 4/5 ; 8/9 ; 9/8

a) 2/8 1/6 /8/9

b) 5/4 9/8

c) 1 2/3; 2 4/5

Convert 9/7 to a mixed number

1 2/7 (1 and 2 sevenths)

Convert 1 4/5 (1 and 4 fifths) to an improper fraction

9/5

Give an equivalent fraction for 2/8

1/4

Give an equivalent fraction for 3/9

1/3

Give an equivalent fraction for 5/10

1/2

Arrange from smallest to largest:

2/3; 1/4; 7/10; 6/7

1/4; 2/3; 7/10; 6/7

Write 4/8 in its simplest form

1/2

Add 2 1/7 to 3 2/7.

5 3/7