Addition and Subtraction : Finding the total, or sum, by combining two or more numbers, is the method of addition. 5 + 11 + 3 equals 19, as an example of addition.
The difference between two numbers is calculated using subtraction. For example, 8-4 equals 4.
How can we make it easier for kids to learn addition and subtraction?
Look for chances to use and discuss addition and subtraction in regular situations.
Read songs or lyrics about these concepts in books.
Use objects, such as your fingers, to demonstrate how to combine or remove groups. Counting can also be made easier by using tools or your fingers.
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These grade 1 word problem worksheets connect topics from first-grade math to everyday situations. Word problems deal with time, money, fractions, lengths, and addition and subtraction. We encourage pupils to thoroughly consider the issues by:
supplying a variety of mixed-word problem worksheets
some of which contain erroneous information inside word problems.
Problems:
1. Dia had 5 pencils. She lost 2 of them. How many pencils are left with her?
Ans. 5-2 = 3
2. Ravi bought 7 oranges. Her sister eats 4 of them. How many oranges are left with Ravi?
Ans. 7-4 = 3
3. There were 5 crows on the fence. 2 of them flew away. How many crows are left on the fence?
Ans. 5-2 = 3
4. Dia bought 6 biscuits. One of them is broken. How many biscuits are left?
Ans. 6-1 = 5
5. You have 8 lollipops and you ate 4 of them. How many lollipops do you have left?
Ans. 8-4 = 4
Ria had 14 candies. Her mom gave her 35 more candies. How many candies does Ria have now?
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There are 10 doves and 12 sparrows on a tree. How many birds are there on the tree?
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3. Mary read 23 pages of her story book yesterday. Today she read 29 pages. What is the total number of pages that she read?
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4.If Ravi has 48 stones and his friend has 37 stones. How many stones do they have altogether?
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5.In a class, there are 17 desks and 19 chairs. How much furniture is there in the class?
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1.A factory produced 103 cars and 150 bikes . How many vehicles did it produced altogether?
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2.In a party there are 250 men 175 women. What is the population?
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3. In a forest there were 755 tigers and 397 foxes. How many animals were there in total?
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4. There are 490 buses and 811 trucks in the toys store. How many toys were there in total?
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5. The number of people went to Hyderabad in the years 2015, 2016 and 2017 was 30904, 26492, and 58284 respectively. How many persons visited Delhi in 3 years?
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The equations in which two single-digit numbers are added together to produce a sum are known as the basic facts of addition. They therefore fall between 0+0=0 and 4+4=8. There is a fundamental subtraction fact that is related to every basic addition fact, for instance, 8-5=3.
Following are the guidelines for adding and subtracting numbers:
It is always positive to add two positive numbers.
It is always negative to add two negative values.
Two positive numbers can be subtracted in either a positive or negative way.
Two negative numbers can be added together to make a positive or negative number.
Addition, subtraction, multiplication, and division are the four fundamental mathematical operations.
The identity element of addition is zero. The outcome is unchanged by the order in which you add the two numbers. The grouping (or connection) of the numbers does not affect the outcome of the addition of three real numbers. Because their sum is zero, a number and its opposite are referred to as additive inverses of one another.
The addends in an addition problem are referred to as such, whereas the solution to the addition equation is referred to as the sum. Other names for addition include adding, total, sum, plus, and combine.
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