1. 5Th Class Maths
Additon & Subtraction

2. B. WHOLE NUMBERS 1. Addition
Number Line - Shows numerals in order of value
Number Line
Adding on the Number Line (2 + 3 = 5)
Adding on the Number Line
Adding with pictures
Adding with pictures

3. 1. Addition (con’t) Adding in columns - Uses no equal sign5
+ 5 10
897
+ 368
1265
Answer is called “sum”.
Simple
Complex
Table of Digits

4. ADDITION PRACTICE EXERCISES
+ 222
318
+ 421 c
+ 116 d
+ 1210
444
739
727
2231
2. a
+ 267
924
+ 429 c
+ 861
411
+ 946
1080
1353
1479
1357
3. a
222
+ 318
1021
611 c 96
+ 861 d
1621
1353
2053
1568
8853
Let's check our answers.

5. 2. Subtraction
Number Line - Can show subtraction.
Number Line
Number Line
Subtraction with pictures
Position larger numbers above smaller numbers.
If subtracting larger digits from smaller digits, borrow from next column. 4
5 3 8 1 1 4 1

6. SUBTRACTION PRACTICE EXERCISES
- 3 8
- 4
c. 5
- 2
d. 9
- 5
e. 7
- 3 3 4 3 4 4
a. 11
- 6 b
- 4
c. 28
- 9 d
- 7 e
- 8 5 8 19 26 33 a
- 19 b
- 14 c
- 57 d
- 33 e
- 65 8 9 29 66 7
Let's check our answers.

7. SUBTRACTION PRACTICE EXERCISES (con’t)
- 241
399
- 299 c d
- 687
146
100
188 45 a
- 495 b
- 186 c
- 210 d
2977
126
209
100
a. 47
- 38 b
- 8 c
- 32 d
- 48 9 55 15 11 a
- 192 b
- 246 c
- 191 d
- 29
180
139 28
339
Let's check our answers.

8. 3. Checking Addition and Subtraction2
+ 8 10
- 8 5
+ 3 8
- 3 73
+ 48
121
- 48
Result should produce other added number.
Check Addition - Subtract one of added numbers from sum.
Check Addition
927
318
426
183
To Add
To Check
Check Three or more #s
Check Three or more #s - Add from bottom to top. 5
- 4 1
+ 4 62
- 37 25
+ 37
103
- 87 16
+ 87
Check Subtraction - Add subtracted number back.
Check Subtraction

9. Check these answers using the method discussed.
CHECKING ADDITION & SUBTRACTION PRACTICE EXERCISES
1. a
+ 8 b
+ 5 c
+ 18 d
+ 236 13 14 26
335
a. 87
- 87 b
- 192 c
- 212 d
- 5 1 99 55 24
a. 34
+ 12 b 13 81
+ 14
c. 87 13 81
+ 14 d
- 83 46
104
195
746 a
- 16 b
- 361 c 22
Check these answers using the method discussed.

10. CHECKING ADDITION & SUBTRACTION PRACTICE EXERCISES
+ 8 13
- 8 5 b
+ 5 14
- 5 9 c
+ 18 26
- 18 8 d
+ 236
335
- 236 99
a. 87
- 87 1
+ 87 88 b
- 192 99
+ 192
291 c
- 212 55
+ 212
267 d
- 5 24
+ 5 29
a. 34
+ 12 46
- 12 34
b. 195 87 13 81
+ 14
195 c
103
212
439
+ 195
746 d
+ 83
104
- 83 21 a
- 16 22
+ 16 38 b
- 361
+ 361
361 c
# = Right
# = Wrong