In 4th grade math practice 8 will cover different questions from math learning activities. The questions are based on fractions, measuring units, etc,.
1. Write the equivalent fractions of:
(a) 10/15 = ?/5
(b) 25/50 = ?/?
(c) 18/27 = ?/9
(d) 16/24 = ?/?
2. (a) Write as mixed numbers :
10/6; 11/7; 13/9; 15/9.
(b) Write as improper fractions:
9³/₄; 7²/₅; 6¹/₈; 5⁴/₅.
3. Reduce to the simplest form :
⁶⁵/₉₁; ⁵⁶/₇₈; ⁷²/₉₀; ⁴⁸/₆₀.
4. Add and write the answer as a mixed number:
(i) ⁴/₉ + ⁸/₉ + ⁵/₉
(ii) ¹⁷/₂₅ + ⁵/₂₅ + ³/₂₅
5. Write as improper fraction and then subtract. Write the difference in the simplest form.
(a) 6²/₃ - 1²/₃
(b) 5⁵/₈ - 3¹/₈
6. Fill in the blanks with suitable units:
(a) My sister's weight is 38 ______________.
(b) This pencil is 20 ______________ long.
(c) This tub can hold ______________ of water.
(d) This small cube contains 20 ______________ of cheese.
7. Put >, < or =
(a) 1 m 40 cm + 60 cm ____ 2 m 60 cm
(b) 7 kg 200 g ____ 7¹/₂ kg
(c) 8 litres 2000 ml ____ 8¹/₂ litres
(d) 2 m 50 cm ____ 250 cm
8. Fill in the blanks:
(a) 300 g + ____ = 1 kg
(b) There are ____ cm is 8 m.
(c ) ____ hours make 7 days.
(d) There are ____ milliliters in 10 litres.
9. There are 15 litres of water in 3 buckets so _________ buckets will be needed to hold 60 liters of water.
10. The cost of a pencil is 75 cents, so we can buy _________ pencils for $ 9.
Answers for the 4th grade math practice 8 are given below to check answers.
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