Showing posts with label math subtraction. Show all posts
Showing posts with label math subtraction. Show all posts

Monday, April 15, 2013

Subtraction Answer

Introduction to subtraction answer:

Subtraction is one of the four basic arithmetic operations; it is the inverse of addition, meaning that if we start with any number and add any number and then subtract the same number we added, we return to the number we started with. Subtraction is denoted by a minus sign in infix notation.

c − b = a

where minuend (c) − subtrahend (b) = difference (a). Now we see about subtraction answer.

(Source: Wikipedia)

About subtraction answer:


In the subtraction, the given parts are named as the minuend and the subtrahend and the resultant answer will be named as the difference. The Minuend which is the first number and the subtrahend is the second number. Thus, we have to subtract the number in this format only.

The Subtraction answer is nothing but the resultant of the numbers which have been subtracted. Let us see one example for the subtraction answer method.

Example:

Subtract the number 1 from 4 and give the subtraction answer.

Solution:

It can be given as (4 - 1). The Following is for the subtraction answer as follows,

4       ->Minuend

-1      ->Subtrahend

-----------------------------------

3      ->Difference

--------------------------------------

Thus, the subtraction answer or the difference can be given as 3.

Way of checking the subtraction answers:

The subtraction answers can be checked or verified by using the technique given below.

The Difference number and the subtrahend number should be added together to give the minuend number.

The above example can be checked as follows,

1       ->subtrahend

+ 3    ->difference

------------------------------

4       ->minuend

--------------------------------

I have recently faced lot of problem while learning basic math problems, But thank to online resources of math which helped me to learn myself easily on net.

Problems for subtraction answer:


Example 1:

Subtract the numbers :(-5 – 6)

Subtraction answer:

Now we are going to subtract the numbers as follows,

(-5 – 6) = -5 + (-6) = -11.

Subtracting 6 is the same as adding a -6.

Thus, we get the subtraction answer as -11.

Example 2:

Subtract the given expressions and find the value of x in the expression:

5x = 6

3x = 2

Subtraction answer:

Now we subtract the two expressions.

5x = 6

- 3x = 2

-------------

2x = 4

---------------

Now divide the equation on both the sides we get,

x = 2.

Thus, the subtraction answer for the given expression is 2x = 4 and the value of x is 2.

Monday, March 25, 2013

Help With First Grade Math

Introduction to help with first grade math:

In mathematics, help with first grade math is one of the important topics to understanding the basic concepts of number, measurement, algebra, and geometry. First grade math problems are use different types of arithmetic operations that are simple addition, subtraction, multiplication, and conservation. Learn the important topics of time and also it compares the length and various units of the measurements. For solving different types of problems, here we solve the different types of problems for the first grade students in an easy way. Help with first grade math problem is used to learn the basic concepts in mathematics.

I like to share this Subtraction of Fractions with you all through my article.

Help with First grade math problems:


Some example problems for help with first grade math problems are,

1. Shakespeare has 17 pencils. 12 of them are in orange color and the rest of them are red color. How many of the pencils are in red color?

Solution:  17 – 12 = 5

Answer: Red color pencils = 5

2. William ate 8 cookies and peter ate 5 cookies. How many more cookies did peter eat than William?

Solution: 8 - 5 = 3

Answer: 3 more cookies

3. Adam got 6 new shirts on his mother’s birthday. If he already had 8, how many shirts does Adam have a now?

Solution: 6 + 8 = 14

Answer: 14 Shirts

4. Anderson has to share 10 Chocolates with his friends. How many will each of them get?

Solution:

10 / 2 = 5

Answer: 5 Chocolates each

5. Jackie contains 7 cents of Licorice. If his two brothers also have same licorice means, how many of the licorice all of them have (in cents)?

Solution:

Jackie + 2 = 3

3 × 7 = 21 cents

Answer: All of them have 21 cents of licorice.

6. How many sides are on three squares?

Solution:

1 square contains 4 sides

Three square = 3 × 4 = 12 sides

Answer: Three squares contains 12 sides

7. How many sides for five rectangles are having?

Solution:

1 rectangle = 4 sides

Five rectangle = 4 × 5 = 20 sides

Answer: Five rectangles have 20 sides

8. Angelina saw 3 elephants and 2 tigers outside of the street. How many animals did Angelina see?

Solution:

3 elephants and 2 tigers

= 3 + 2 = 5 animals

Answer: Angelina saw 5 animals.

9. Lincoln have 10 pens, half of them are in red color. How many of the pens are in red color?

Solution:

Total pens = 10

Half of pens = 10/ 2 = 5

Answer: Lincoln has 5 red balls

10. How many vertices are on two triangular prisms?

Solution:

1 triangle prism has 6 vertices

Three triangle prisms = 2 × 6 = 12 vertices

Answer: Two triangle prisms have 12 vertices.

Help with First grade math problem for practice:


A. How many vertices are on 5 triangular prisms?

B. Abraham have 14 balls, half of them are in white color. How many of the balls are in white color?

C.  Lee saw 3 tigers and 4 zebra in a zoo. How many animals did lee see?

D. How many sides are on 4 squares?

E. Peter has 2 cents of Licorice. If his four brothers also have same means, how many of the licorice all of them have (in cents)?

A. 30 vertices

B. 7 balls are in white color

C. 7 animals

D. 16 sides

E. 10 cents

Thursday, February 21, 2013

Math Subtraction Word problems

Introduction to math subtraction word problems:

Subtraction is one of the four basic arithmetic operations; it is the inverse of addition, meaning that if we start with any number and add any number and then subtract the same number we added, we return to the number we started with. Subtraction is denoted by a minus sign in infix notation. I like to share this Y Intercept Calculator with you all through my article.

c − b = a

Here minuend (c) − subtrahend (b) = difference (a).  Here we are going to see some solved math subtraction word problems and give some practice math word problems for subtraction.

(Source: Wikipedia)


Examples of math subtraction word problems:


Subtraction word problems:

Jessica has 1160 beads. 624 beads are red and the rest are blue. How many blue beads does she have?
Solution:

Jessica has 1160 beads,

624 beads are red and the rest are blue,

1160 – 624 = 536

She has 536 blue beads.

2. James and Ken donated $2400 to a charitable organization. Ken donated $650. How much did James donate?

Solution:

James and Ken donated $2400 to a charitable organization

Ken donated $650.

2400 – 650 = 1750

James donated $1750

3. There are twenty-five magazines stacked up on a bookshelf and a desk. Fifteen of them are on the desk. How many magazines are there on the bookshelf?

Solution:

There are twenty-five magazines stacked up on a bookshelf and a desk.

Fifteen of them are on the desk

25 – 15 = 10

Answer: 10 magazines

Having problem with how to do multiply fractions keep reading my upcoming posts, i will try to help you.


Practice math subtraction word problems:


1. There were forty-six birds in a tree, but fourteen of them flew away. How many birds are left in the tree?

Answer: 32 birds

2. There were fifty-seven employees working in an office building. Twenty of them left to go out to lunch. How many employees were left in the building?

Answer: 37 employees

3. Jordan made twenty-six cookies. If he already gave twelve to friends, how many does he have left?

Answer: 14 cookies.

4. The pet store had thirty-six bags of bird feed. Twenty have been eaten. How many bags of bird feed are left?

Answer: 16 bags