Exercise 1.5 Primes, Powers And Square Roots Worksheet - Heinemann Maths Zone Page 5
ADVERTISEMENT
1
2
3
4
5
6
7
8
9
10
1113 Without using your calculator, find between which two consecutive whole
numbers each of the following lies.
e
(a)
10
(b)
5
(c)
20
(d)
62
Hint
(e)
99
(f)
2
(g)
70
(h)
108
14 Without using your calculator, find between which two consecutive whole
numbers each of the following lies.
e
3
3
3
3
(a)
10
(b)
52
(c)
1001
(d)
30
Hint
3
3
3
3
(e)
5
(f)
71
(g)
120
(h)
2
15 (a) Use your calculator to answer TRUE or FALSE to each statement.
e
6
4
10
2
(i) 4
is bigger than 6
.
(ii) 2
is bigger than 10
.
Hint
9
3
2
19
(iii) 3
is bigger than 9
.
(iv) 19
is bigger than 2
.
(b) Look at your answers for part (a) and without using your calculator
answer TRUE or FALSE to each of these statements.
8
9
100
2
(i) 9
is bigger than 8
.
(ii) 2
is bigger than 100
.
16 Use your calculator to find the following through trial and error.
e
Hint
(a) A number that when multiplied by itself three times gives 343
(b) A number that when multiplied by itself three times gives 1728
(c) A number that when multiplied by itself three times gives 2744
e
(d) A number that when multiplied by itself three times gives 39 304
Worksheet C1.10
(e) A number that when multiplied by itself four times gives 4096
(f) A number that when multiplied by itself five times gives 161 051
e
17 (a) Copy the following pattern and complete it using your calculator.
Hint
=
=
=
2
2
2
11
111
1111
(b) Look at the pattern in part (a) and without using a calculator copy
and complete the following.
e
=
=
=
2
2
2
Homework 1.2
11 111
111 111
1 111 111
Do these in your head as quickly as you can and
Time target: 2 minutes
write down the answers.
1 17 × 6
2 112 − 38
3 1 −
4 0.2 + 1.4
4
3
-- -
-- -
5
5
5 3600 ÷ 900
6 $2.60 + $9.50
7 What time is it 5 hours and 40 minutes after 9.17 a.m.?
1
8
of $27.00
-- -
2
9 How many odd numbers are there between 20 and 36?
10 Find the missing number: 816, 408, ___ , 102.
●
21
1
w h o l e
N U M B E R S
ADVERTISEMENT
0 votes
Related Articles
Related forms
Related Categories
Parent category: Education