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Worksheet for Class 3 Mathematics Addition
Class 3 Mathematics students should refer to the following printable worksheet in Pdf for Addition in Class 3. This test paper with questions and answers for Class 3 will be very useful for exams and help you to score good marks
Class 3 Mathematics Worksheet for Addition
Real Life Examples
• Addition helps in calculating the money spent for buying commodities from the market.
• Addition helps in calculating measurements like distance
LEARNING OBJECTIVES
This lesson will help you to :—
• add 2 digit numbers.
• add 3 digit numbers.
• add 4 digit numbers.
• learn properties of Addition.
• apply addition to real life situations.
QUICK CONCEPT REVIEW
Addition is combining smaller sets to a bigger single set.
Facts of daily life help us in understanding the concept better
Amazing Facts
• The opposite sides of a dice always add up to seven.
MORE ABOUT ADDITION
• Addition is one of the basic four operations.
• It is denoted by the symbol “+”.
For example: 4 added to 9 can be written as 9 + 4.
• The numbers that are added are called addends.
• A 10 x 10 number grid is a helpful tool to add 2-digit numbers.
• Some words that denote addition are “in all”, “total”, “sum” and “altogether”.
• Addition can be done in different ways
→ Counting in tens : 55 + 23 = 55 + 10 + 10 + 3
= 75 + 3 = 78
• To make addition easier it is important to regroup the numbers.
For example: 421 + 379
Add the ones = 1 + 9 = 10
Add the tens = 20 + 70 + 10 = 100
Add the hundreds = 400 + 300 + 100 = 800
Add 800 + 100 + 10 = 910
Similarly for four digit numbers first of all add one digits, then tens, then hundreds and then thousands respectively.
Add 7120 and 1230.
Step 1 : Add the ones.
Step 2 : Add the tens. +
Step 3 : Add the hundreds
Step 4 : Add the thousands
So, 7120 + 1230 = 8350
Historical Preview
• The ‘+’ and ‘—’ symbols first appeared in print in Mercantile arithmetic published in Leipzig in 1489.
PROPERTIES OF ADDITION
1. Commutative or Order Property of Addition: Two or more than two numbers can be added in any order
e.g. 2130 + 1290 is same as 1290 + 2130.
2. Associative property of addition: Sum of three or more number is not affected by their grouping
e.g. 1200 + 1400 + 1300 = (1200 + 1400) + 1300 or 1200 + (1400 + 1300).
3. Sum of zero (0) and number is the number itself.
This zero is called identity element
e.g. 7000 + 0 = 0 + 7000 = 7000.
Try it!
Example: If Reena had 10 apples and got 29 more apples from her mother, then find the total number of apples Reena had.
Solution: The number of apples Reena had
= 10 + 29
= 39 apples
Example: Find the missing number Using properties of addition
(a) 29 + ___ = 19 + 29
(b) 700 + (60 + 15) = (700 + 60)+ ___
(c) 198 + 0 = ___ + 198
Solution:
(a) 29 + 19 = 19 + 29
(b) 700 + (60 + 15)
= (700 +60 ) + 15
(c) 198 + 0 = 0 + 198
Question. Find the missing digit.
445 + ___ = 766
(a) 321
(b) 322
(c) 320
(d) 329
Answer : (A) Consider the unit digit in both numbers on LHS so 5 + ? = 6 => 5 + 1 = 6
445 + 321 = 766.
Question. Find the missing digit.
349 + 4 6 = 805
(a) 2
(b) 3
(c) 5
(d) 6
Answer : (c) Consider the unit digit in both numbers on LHS so 9 + 6 = 15 ; Hence 5 comes in the unit digit and 1 is carried over.
Consider the tens digit in both numbers on LHS. Now since 0 is the tens digit in 805 the sum of tens digits on numbers on LHS should add up to 10 (1 gets carried over). So 1 + 4 + ? = 10 ⇒ ? = 5
Consider the hundreds digit in both numbers on LHS. 1 + 3 + 4 = 8
349 + 456 = 805.
Question. Find the missing number.
456 : 487 :: 360 : ?
(a) 380
(b) 390
(c) 391
(d) 381
Answer : (C) 456 + 31 = 487
360 + 31 = 391
So ? = 391
Question. 7000 : 8000 : : 4000 : __?__
(a) 3000
(b) 4500
(c) 5000
(d) 8000
Answer : (C) 7000 + 1000 = 8000
4000 + 1000 = 5000
Question. Find the missing number.
450, 460, ____, 480, 490, ____
(a) 475,495
(b) 470, 495
(c) 4750, 500
(d) 470, 500
Answer : (D) Add 10 to each term to get the next term.
460 + 10 = 470
470 + 10 = 480
480 + 10 = 490
490 + 10 = 500
Question. Find the missing number.
344, 351, 358, _____, ____.
(a) 366, 371
(b) 365, 372
(c) 366, 372
(d) 365, 371
Answer : (B) Add 7 to each term to get the next term.
344 + 7 = 351
351 + 7 = 358
358 + 7 =365
365+ 7 = 372
Question. Which number makes the equation true?
? + 1323 = 1223 + 1223
(a) 1223
(b) 1123
(c) 1213
(d) 1133
Answer : (B) 1123 + 1323 = 2446 = 1223 + 1223
Question. Which number makes the equation true?
419 + ? = 581 + 116
(a) 288
(b) 258
(c) 268
(d) 278
Answer : (D) 419 + 278 = 581 + 116 = 697
Question. Which number makes the equation true?
1508 + 1125 = 2407 + ?
(a) 226
(b) 216
(c) 126
(d) 116
Answer : (A) 1508 + 1125 = 2407 + 226 = 2633
Question. Which number makes the equation true?
43 + ? = 26 + 68
(a) 71
(b) 61
(c) 51
(d) 41
Answer : (C) 43 + 51 = 26 + 68 = 94
Question. Which number makes the equation true?
20 + 30 = 15 + ?
(a) 25
(b) 40
(c) 30
(d) 35
Answer : (D) 20 + 30 = 15 + 35 = 50
Question. Which of the following is less than 211 + 212?
(a) 432
(b) 433
(c) 423
(d) 422
Answer : (D) 211 + 212 = 423
Therefore 423 > 422
Question. Fill in the blanks with the number from the options given below:
460 + 40 = 10 × _______.
(a) 50
(b) 420
(c) 80
(d) 500
Answer : (A) 460 + 40 = 500 = 10 × 50
Question. Fill in the box.
400 + 155 = 500 + ⬜
(a) 155
(b) 75
(c) 55
(d) 50
Answer : (C) 400 + 155 = 555 = 500 + 55
Question. According to the additive identity property which of the following represents additive identity property of 0?
(a) 1 + 0 = 20
(b) 29 + 18 = 18 + 29
(c) 14 + 0 = 14
(d) (2 + 3) +4 = 2 + (3 + 4)
Answer : C
Question. Alan is 5 years old. His sister Bethan is seven years older than him. What is the sum of their ages? (2015, Critical Thinking)
(a) 12 years
(b) 17 years
(c) 35 years
(d) 15 years
Answer : (B) Age of Alan = 5 years
Age of Bethan = 7 + 5 = 12 years
Sum of ages of Alan and Bethan = 5 + 12 = 17 years
Question. Find the missing number to fill in the blank box.
111 + 9 = ⬜ + 7
(a) 120
(b) 119
(c) 197
(d) 113
Answer : (D) Since 111 + 9 = 120 = 113 + 7
Question. Gatita bought 40 apples and 60 oranges. How many fruits did she buy in all?
(a) 20
(b) 100
(c) 1000
(d) 240
Answer : (B) As 40 + 60 = 100 fruits
Question. Find the value of A, B and C respectively.
2 3 C
+ A B 7
5 9 1
(a) 2, 4, 8
(b) 2, 3, 5
(c) 3, 2, 3
(d) 3, 5, 4
Answer : D
Question. Simplify:
4 + 14 + 1
(a) 15
(b) 13
(c) 18
(d) 19
Answer : (D) 4 + 14 + 1 = 19
Question. There are 2500 men and 2540 women in a village. Find the population of the village.
(a) 5040
(b) 5010
(c) 3040
(d) 4050
Answer : A
Question. According to the additive property for zero, which one of the following is correct?
(a) 34 + 0 = 34
(b) 29 + 18 = 18 + 29
(c) 23 + 67 = 50 + 50
(d) 0 + 0 = 10
Answer : A
Question. Add 567 + 432 + 215 =
(a) 1114
(b) 1214
(c) 1314
(d) 1414
Answer : B
Question. Consider the following two statements:
Statement 1: The addition of two even numbers is not always an even number.
Statement 2: The addition of two even numbers is always an even number.
Which one of the following is correct about the above statements?
(a) Statement 1 is true and 2 is false (b) Statement 1 is false and 2 is true
(c) Both statements 1 and 2 are false (d) Both statements 1 and 2 are true
Answer : B
Question. Choose incorrect option from the following:
(a) 25 + 27 = 24 + 28
(b) 32 + 38 = 31 + 39
(c) 46 + 54 = 45 + 55
(d) 62 + 74 = 61 + 73
Answer : D
Question. According to the commutative property of addition, which one of the following is not correct?
(a) 45 + 43 = 43 + 45
(b) ₹ 123.50 + ₹ 50.23 + = ₹ 50.23 + ₹ 123.50
(c) 23 + 67 = 25 + 40
(d) All of these
Answer : C
Question. Add the 6523 + 2364. Which one of the following number is in the hundreds place of the resulting addition?
(a) 6
(b) 8
(c) 7
(d) 5
Answer : (B) 6523 + 2364 = 8887, so 8 is in the hundreth place.)
Question. Sum of two numbers is 1800. If one of the number is equal to the sum of 1200 and 200, find the other number.
(a) 100
(b) 200
(c) 300
(d) 400
Answer : C
Question. What digit should be placed in the to make the given problem true?
4 6 4
+ 2 ⬜ 3
7 0 7
(a) 0
(b) 6
(c) 3
(d) 4
Answer : D
Question. I am the smallest odd number that comes after 4386. Add 632 to me. What number am I now?
(a) 5019
(b) 5190
(c) 5219
(d) 5110
Answer : (A) 4387 + 632 = 5019
Question. There are 4530 girls and 3428 boys in a school. How many students are there altogether?
(a) 7588
(b) 7858
(c) 7958
(d) 7857
Answer : C
Question. Arjun eats 2 oranges, 3 apples and 4 bananas everyday. How many fruits does he eat in a week?
(a) 54
(b) 63
(c) 9
(d) 72
Answer : (C) 2 +3 + 4 = 9
MATHS
Chapter 2- Addition. Do these sums in HW notebook
a)935+2137
b)1638+325
Practice 5 more sums on addition in a practise note book.
TOPIC: ADDITION
1) Fill in the missing digits:
a) 2 3 5 4
+ 1 6 9 __
____________
4 0 4 6
b) 7 8 2 5
+ 1 _ 3 1
__________
9 3 5 6
2) Add the following:
a) 3 1 4 4
+ 2 3 1 5
_________
_________
b) 6 2 1 7
+ 1 2 9 5
___________
___________
Worksheet for CBSE Mathematics Class 3 Addition
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