Mathematics Primary Six – Numeration

REVISION WORK ON NUMERATION SYSTEM AND PLACE VALUES.

1. Given digits 8, 4, 2
   • Write down all the numerals you can form using the digits.
   • Find the difference between the highest and the lowest numeral formed.
2. Find the place value and value of the underlined digits.

(a)           4 6657        (b) 16785         (c) 16345

3. Expand 8739 using

(a)           values                      (b) place values          (c)  Powers

4. Write 7432 in standard/ scientific form
5. Express the following in single form
   • 5000 + 70 + 3
   • (7 x 10000) + ( 8 x 1000) + ( 3 x 100) + ( 7 x 10 ) + ( 2 x 1)
   • (7 x 10³ ) + ( 4 x 10²) + ( 3 x 10¹) + 5 x 10⁰)
   • 56 x 10²
6. Write 2592028 in words
7. Write: six million, eight hundred thousand, nine hundred sixteen
8. (a)    Round off 4867 to the nearest tens

(b)    Round off 79581 to the nearest hundreds.

(c)      Round off 79581 to the nearest thousands.

9. Write the place value and value of the underlined digits

(a)           0.784                      (b)           3.782                      (c)           5.948

1. Write 0.328 in words
2. Write Twenty seven and six tenths in figures.
3. Expand 5.78 using

(a)           place values           (b) values              (c) exponents

3. Express 0.432 in standard form
4. Arrange 0.44, 0.4, 4.4 in ascending order.
5. Arrange 0.35, 0.5, 0.7, 0.33 in descending order.
6. Round off 39.96 to the nearest tenth.
7. Write 99 in Roman Numerals.
8. Write XLV in Hindu Arabic system.
9. Work out: XI = IX
10. Change 26_ten to base six .
11. Write 346_seven in words.
12. Give the place value of each digit in 243_five.
13. Expand 462 _seven using powers.
14. Change 341_six to base ten
15. Change 124_five to base six.
16. If 17_X = 16_ten find value of x
17. Add 55_seven + 33 _seven = _____ seven.
18. Subtract: 44_five – 12 _five
19. Multiply 10_two x 11_two
20. Change 13 to finite 7.
21. Add: 4 + 4 = ______ finite 5
22. Multiply: 2 x 4 = ______ finite 5
23. Subtract: 2 – 4 = _______ finite 6
24. Divide 5 ¸ 3 = ________ finite 7
25. Solve: x – 4 = 3 finite 6
26. If today is Friday, what day of the week will it be after 22 days?
27. If today is Thursday, what day of the week was it 44 days ago?
28. It is 2.00 pm what time of the day will it be after 400 hours?