Multiplying up to 10 for Third Grade: Very Difficult Problems with Solutions

Problem 1

If five is multiplied by an even number, the last digit of the result is

5

6

2

0

Problem 2

If 5 is multiplied by an odd number, the last digit of the result is

0

5

2

1

Problem 3

2 × 6 × 5 =

Problem 4

If we multiply by 9 one specific number consisting of one digit unequal to 0 and the second digit of the result is 4, then the number is

5

8

6

Problem 5

If we multiply by 9 any number consisting of one digit unequal to 0, the sum of the digits of the result is

Problem 6

What is the two-digit number whose sum of the digits is equal to their product?

Problem 7

What is the three-digit number whose second digit is three times greater than the first and whose third digit is three times greater than the second?

Problem 8

The width of a tablet is 3 inches and its length is 3 times greater. The perimetre is

Problem 9

The side of a square is 7 inches. The square's perimetre is

Problem 10

If we build a square from 9 squares whose sides are 3 inches, its perimetre will be inches.

Problem 11

What is the area of a rectangle whose width is 2 feet and whose length is 4 times greater?

Multiplication Table: Very Difficult Problems with Solutions