Introduction to elementary math practice:
In elementary math the children are mostly study about arithmetics. Arithmetic or arithmetics is the oldest and most elementary branch of mathematics, used by almost everyone. It involves the study of quantity, especially as the result of combining numbers. Professional mathematicians sometimes use the term arithmetic when referring to more advanced results related to number theory, but this should not be confused with elementary school arithmetic. Let us see elementary math practice. (Source: Wikipedia)
Example Problems for Elementary Math Practice:
Example 1: Find the prime number from the following: 14, 17 and 60
Solution:
Given 14, 17 and 60
14 is divisible by 1, 2, 7, 14.
17 is divisible by 1, 17.
60 is divisible by 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
From the given 17 is a prime number.
Answer: 17 is a prime number and 14, 60 are composite numbers.
Example 2: Multiply the following: `12/5 * 3/4`
Solution:
Given `12/5 * 3/4`
Multiply the denominators and numerators individually ,
`12/5 * 3/4 = (12*3) / (5*4) `
= ` (36/20)`
= ` 9/5 `(divide by 4)
Answer: `12/5 * 3/4 = 9/5.`
Example 3: Solve for `x/2` = 10.
Solution:
Given `x/2` = 10
x = 10 * 2 (multiply by 2 on both sides)
x=20.
Answer: x=20.
Practice Problems for Elementary Math Practice:
Problem 1: Add the followings: 3458 + 0.24 + 457 + 0.97
Answer: 3916.21
Problem 2: Find the common multiples of 6, 10 and 15.
Answer: Common multiples of 6, 10 and 15 are 30, 60, 90 …..
Problem 3: Find the summation of fraction numbers `2/5` , `3/5` and `10/5` .
Answer: Summation of fraction numbers` 2/5` , `3/5` and `10/5` = `18/5` .
Problem 4: Solve for z: (2z + 9) – (z – 10) =2z.
Answer: z=19.
Problem 5: Solve for k: k+11 =25.
Answer: k = 14.
Problem 6: Solve for s: 2s + 4 =10.
Answer: s=3.
Problem 7: Divide 455 ÷ 5
Answer: 91.
In elementary math the children are mostly study about arithmetics. Arithmetic or arithmetics is the oldest and most elementary branch of mathematics, used by almost everyone. It involves the study of quantity, especially as the result of combining numbers. Professional mathematicians sometimes use the term arithmetic when referring to more advanced results related to number theory, but this should not be confused with elementary school arithmetic. Let us see elementary math practice. (Source: Wikipedia)
Example Problems for Elementary Math Practice:
Example 1: Find the prime number from the following: 14, 17 and 60
Solution:
Given 14, 17 and 60
14 is divisible by 1, 2, 7, 14.
17 is divisible by 1, 17.
60 is divisible by 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
From the given 17 is a prime number.
Answer: 17 is a prime number and 14, 60 are composite numbers.
Example 2: Multiply the following: `12/5 * 3/4`
Solution:
Given `12/5 * 3/4`
Multiply the denominators and numerators individually ,
`12/5 * 3/4 = (12*3) / (5*4) `
= ` (36/20)`
= ` 9/5 `(divide by 4)
Answer: `12/5 * 3/4 = 9/5.`
Example 3: Solve for `x/2` = 10.
Solution:
Given `x/2` = 10
x = 10 * 2 (multiply by 2 on both sides)
x=20.
Answer: x=20.
Practice Problems for Elementary Math Practice:
Problem 1: Add the followings: 3458 + 0.24 + 457 + 0.97
Answer: 3916.21
Problem 2: Find the common multiples of 6, 10 and 15.
Answer: Common multiples of 6, 10 and 15 are 30, 60, 90 …..
Problem 3: Find the summation of fraction numbers `2/5` , `3/5` and `10/5` .
Answer: Summation of fraction numbers` 2/5` , `3/5` and `10/5` = `18/5` .
Problem 4: Solve for z: (2z + 9) – (z – 10) =2z.
Answer: z=19.
Problem 5: Solve for k: k+11 =25.
Answer: k = 14.
Problem 6: Solve for s: 2s + 4 =10.
Answer: s=3.
Problem 7: Divide 455 ÷ 5
Answer: 91.
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