We’ll learn to add 3-digit numbers with out grouping.
We all know methods to add 3-digit numbers with out including them. Let’s bear in mind by fixing some examples.
Add 572 and 424.
H T HE
5 7 2 → 5 hundred + 7 ten + 2 one
+ 4 2 4 → 4 a whole bunch + 2 tens + 4 ones
9 9 6 → 9 hundred + 9 ten + 6 one
Solved Examples of Including 3-Digit Numbers With out Regrouping:
Including Two 3-Digit Numbers
1. The shopkeeper has 153 packs of chocolate chip cookies and 124 butter cookies. What number of cookies are there in whole?
|
Resolution: We’ll do a set to search out out the entire variety of cookies. Stage 1: Add these first. 3 + 4 = 7 Step 2: Then add them. 5 + 2 = 7 Stage 3: Then add a whole bunch. 1 + 1 = 2 |
Thus, there are 277 cookies within the store. |
2. Add 641 and 325.
Resolution:
|
Stage 1: Prepare the numbers vertically. Step 2: Add these first. 1 + 5 = 6 Stage 3: Now, they add. 4 + 2 = 6 Lastly, add a whole bunch. 6 + 3 = 9 |
 So 641 + 325 = 966 |
Including Three 3-Digit Numbers With out Regrouping:
In the identical means that we add two 3-digit numbers, we’ll add three 3-digit numbers.
For instance:
|
1. Add 542, 234 and 103. Resolution: Stage 1: Prepare the numbers vertically. Step 2: Add these first. 2 + 4 + 3 = 9 Stage 3: Now, they add. 4 + 3 + 0 = 7 Step 4: Lastly, add a whole bunch. 5 + 2 + 1 = 8 |
 So 542 + 234 + 103 = 879 |
Questions and Solutions on Including 3-Digit Numbers With out Grouping:
I. Add the next:
(i) 452 + 7
(ii) 238 + 61
(iii) 601 + 25
(iv) 758 + 31
(v) 604 + 33
(vi) 576 + 12
(vii) 934 + 40
(viii) 457 + 22
(ix) 460 + 506
(x) 251 + 238
(xi) 261 + 437
(xii) 384 + 112
(xiii) 708 + 191
(xiv) 348 + 321
(xv) 709 + 190
(xvi) 652 + 246
(xvii) 230 + 367
(xviii) 323 + 475
(xix) 832 + 131
(xx) 450 + 238
Reply:
I. (i) 459
(ii) 299
(iii) 626
(iv) 789
(v) 637
(vi) 588
(vii) 974
(viii) 479
(ix) 966
(x) 489
(xi) 698
(xii) 496
(xiii) 899
(xiv) 669
(xv) 899
(xvi) 898
(xvii) 597
(xviii) 798
(xix) 963
(xx) 688
II. Add the next and fill within the blanks:
(i) 503 + 6 = __________
(ii) 142 + 7 = __________
(iii) 674 + 23 = __________
(iv) 256 + 42 = __________
(v) 725 + 214 = __________
(vi) 345 + 153 = __________
(vii) 854 + 144 = __________
(viii) 615 + 212 = __________
(ix) 600 + 199 = __________
Reply:
II. (i) 503 + 6 = __________
(ii) 142 + 7 = __________
(iii) 674 + 23 = __________
(iv) 256 + 42 = __________
(v) 725 + 214 = __________
(vi) 345 + 153 = __________
(vii) 854 + 144 = __________
(viii) 615 + 212 = __________
(ix) 600 + 199 = __________
III. Add the next
(I) H T HE
1 2 5
+ 2 7 3
____________
(ii) H T HE
3 1 4
+ 4 4 5
____________
(iii) H T HE
4 6 7
+ 2 0 0
____________
(iv) H T HE
3 4 2
+ 2 3 7
____________
(v) H T HE
6 5 3
+ 3 1 4
____________
(vi) H T HE
4 1 2
+ 1 3 2
+ 2 0 1
____________
(vii) H T HE
1 3
+ 3 3 2
+ 4 3 3
___________
(viii) H T HE
3 3
+ 5 3 5
+ 1 1 0
___________
(ix) H T HE
4
+ 4 2
+ 8 3 2
___________
(X) H T HE
300
+ 1 7 0
+ 1 2 0
___________
(xi) H T HE
5
+ 4 2
+ 3 1 0
+ 5 2 0
___________
(xii) H T HE
3 6 0
+ 5
+ 2 1
+ 3 0 3
___________
(xiii) H T HE
3 0 2
+ 4 1 2
+ 5 4
+ 2 3 1
___________
(xiv) H T HE
4 1 3
+ 2 0 2
+ 1 4 2
+ 1 2 1
___________
(xv) H T HE
1 1 1
+ 2 2 2
+ 2 1 2
+ 4 2 3
___________
Reply:
III. (i) 398
(ii) 759
(iii) 667
(iv) 579
(v) 967
(vi) 745
(vii) 778
(viii) 678
(ix) 878
(x) 590
(xi) 877
(xii) 689
(xiii) 999
(xiv) 878
(xv) 968
third Grade Arithmetic Classes
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