Advertisements
Advertisements
Question
Evaluate using properties :
284 x 12 – 284 x 2
Solution
284 x 12-284 x 2
= 284 x (12-2) (using distributivity)
= 284 x 10 = 2840
APPEARS IN
RELATED QUESTIONS
Fill in the blank:
All natural numbers are _________
State true or false:
0 + 18= 18 + 0
Fill in the blank:
a + (b + c) = (a + _____ ) + c
Which property of addition is satisfied by :
8 + 7 = 15
Which property of addition is satisfied by :
(15 – 12) x 18 = 15 x 18 – 12 x 18
(16 – 8) x 24 = _________ = _______
16 x 24 – 8 x 24 =_______ – ______ = _______
Is (16 – 8) x 24 = 16 x 24 – 8 x 24 ? ________
Is the type of result always true ? ________
Name the property used here _________
Fill in the blank :
32 x 15 = 32 x 6 + 32 x 7 + 32 x ______
The product of the two numbers is 528. If the product of their unit’s digits is 8 and the product of their ten’s digits is 4; find the numbers.
- In each of the following patterns, construct next figure.
- In each case, if n denotes the number of figure and F denotes the number of matchsticks used, find F in terms of n.
- Also find, in each case, how many matches are required to make the: 16th figure and 30th figure.
LCM of 10, 15 and 20 is ______.
