Chapter 2 Our Number System, Addition And Subtraction Examples And Worksheet Page 27
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3059
OUR NUMBER SYSTEM, ADDITION AND SUBTRACTION (CHAPTER 2)
5
Make the smallest number you can
MENTAL SET 2A
using the digits 7, 1, 4, 2, 5 once
only.
1
Which of our numbers does the
Roman numeral IV represent?
6
What is the smallest number in
24, 42, 34, 23, 43?
101
2
Write
as a Roman numeral.
Round 6499 to the nearest thousand.
7
3
Write in simple form
30 000 + 800 + 90 + 1
8
Estimate in hundreds the answer to
516 £ 7.
What is the value of 2 in 52 076?
4
Copy and complete: 18 ¡ 11 = ¤ ¡ 3
9
5
Write using digits the number forty
Subtract 89 from 98.
three thousand three hundred and
10
forty five.
MENTAL SET 2C
Round 283 to the nearest hundred.
6
7
Estimate in thousands the answer
1
What numeral does LXIII represent?
to 4791 ¥ 5:
Write 16 as a Roman numeral.
2
Find the digit that replaces ¤ in
8
Write in simple form 5000 + 20 + 9
3
5 + 9 = 11 + ¤
What is the value of 7 in 75 369?
4
6003 + 580 =
9
5
Make the largest number you can using
698 ¡ 56 =
10
the digits 2, 8, 4, 3, 6 once only.
Write 50 366 in words.
6
MENTAL SET 2B
7
Which number is largest?
1
Which of our numbers does the
187, 871, 781, 878, 788
Roman numeral XVI represent?
Round 57 198 to the nearest thousand.
8
Write 32 as a Roman numeral.
2
Write 4603 as a sum of thousands,
9
Estimate in thousands the answer to
3
6849 ¡ 3180:
hundreds, tens and units.
10
Copy and complete:
4
What number is represented by
¤ + 7 = 9 + 3
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