Mathematics - Class ...

Q1.

Write the property for each of the following.

a.   2 + 3 = 5, a whole number                 _______________________

b.   84 + 0 = 84                                       _______________________

c.   56 + 89 = 89 + 56                             _______________________

d.   34 + (12 +23) = (34 + 12) + 23         _______________________

e.   77 x 0 = 0                                         _______________________

f.    1 x 66 = 66                                       _______________________

g.   20 (10 + 5) = (20 x 10) + (20 x 5)     _______________________

Q2.

Solve the following using distributive property.

a.   234 x 13 + 234 x 7

b.   405 + 405 x 29

c.   3845 x 5 x 782 + 769 x 25 x 218

Q1.

Write the value for each of the following.

h.   7 x 1 = _____________                  

i.     8 ÷ 1 = _____________     

j.    5 + 1 = _____________       

k.   9 x 0 =  _____________   

l.     0 + 4 =  _____________       

m. 6 ÷ 0 =  _____________                                  

Q2.

Find the product using suitable rearrangement.

d.   2 × 2950 × 50

e.   198 × 5 × 80

f.    225 × 20 × 8 × 15

Q1.

A milk booth sold 130 litres of milk in the morning and 70 litres of milk in the evening. If the milk costs Rupees 52 per litre, how much money the booth collected per day?

Q2.

Dia eats in a restaurant which charges 300 rupees for lunch and 350 for dinner. Find the money she has to pay for 30 days.

Q3.

Find the value of 2100×102 - 2100×2