1. NSW Syllabus
  2. Maths
  3. Stage 3
  4. Numbers and Algebra
  5. Addition and Subtraction
  6. MA3-5NA
  7. Addition and Subtraction 1
  8. Use efficient mental and written strategies and apply appropriate digital technologies to solve problems (ACMNA291)

Select and apply efficient mental, written and calculator strategies to solve addition and subtraction word problems, including problems involving money

1. Changing Numbers - 2943 to 1943
2. Changing Numbers - 1240 to 1250
3. 1000 less, 100 more than 1643
4. 1 less, 10 more than 4000
5. 100 less, 100 more than 69 582
6. 1000 less, 1000 more than 45 369
7. 1000 less, 1000 more than 69 855
8. 1000 less, 1000 more than 75 258
9. 10 000 less, 10 000 more than 44 987
10. Changing Numbers: Add 10, 100, 1000 to 2345
11. Changing Numbers: Add 10, 100, 1000 to 6789
12. Changing Numbers: Add 100, 1000, 10 000 to 33 125
13. Changing Numbers: Add 100, 1000, 10 000 to 78 244
14. Changing Numbers: Add 1000, 10 000, 100 000 to 213 426
15. Changing Numbers: Add 1000, 10 000, 100 000 to 423 846
16. 1000 less, 100 more than 5 268 635
17. 100 less, 1000 more than 453 369
18. 1000 less, 10 more than 317 691
19. 10 less, 1000 more than 8 254 146
20. 1000 less, 1000 more than 212 673
21. 1000 less, 1000 more than 6 325 478
22. 1000 less, 100 more than 2 135 698
23. 10 000 less, 100 000 more than 9 654 128
24. 1000 less, 1000 more than 6 598 696
25. Add it up: Addition with regrouping 769+45
26. Add it up: Addition with regrouping 777+58
27. Number detectives: 102+98=?
28. Number detectives: 348+103=?
29. Number detectives: 56+92=?
30. Number detectives: 156+104=?
31. Number detectives: 201+99=?
32. Same or Different: Answer 62
33. Same or Different: Answer 58
34. Same or Different: Answer 44
35. Same or Different: Answer 66
36. Same or Different: Answer 73
37. Anyone for a burger?:$4+$5+$2+$2+$2
38. Anyone for a burger?:$4+$6+$1+$3
39. Bargain basement: $16+$4+$50
40. Bessie's found her marbles: 327 - (158+57+63+90)
41. Same or different: Click all the boxes with the same answer.
42. Same or different: Click all the boxes with the same answer.
43. Same or different: Click all the boxes with the same answer.
44. Same or different: Click all the boxes with the same answer.
45. Same or different: Click all the boxes with the same answer.
46. True or False?: 26+46=72 13+29=44 62+18=80 38+25=53
47. True or False?: 27+18=45 32+39=49 49+27=76 57+26=83
48. True or False?: 19+49=58 48+33=81 24+37=62 64+28=90
49. Add it up: 347+454
50. Add it up: 627+277
51. Add it up: 5346+369
52. Add it up: 7239+697
53. True or False? Click all the number sentences that are true.
54. True or False? Click all the number sentences that are true.
55. True or False? Click all the number sentences that are true.
56. True or False? Click all the number sentences that are true.
57. True or False? Click all the number sentences that are true.
58. True or False? Click all the number sentences that are true.
59. True or False? Click all the number sentences that are true.
60. True or False? Click all the number sentences that are true.
61. True or False? Click all the number sentences that are true.
62. True or False? Click all the number sentences that are true.
63. Add it up: 2,969+852
64. Add it up: 3,268+852
65. Add it up: 2,959+356
66. Add it up: 5,478+852
67. Add it up: 5,478+852
68. Give or take a thousand: 136 558+9000
69. Give or take a thousand: 4000 more than 13 468
70. Give or take a thousand: 3000 more than 21 654
71. True or False: Double-sided equations
72. True or False: Double-sided equations
73. True or False: Double-sided equations
74. True or False: Double-sided equations
75. True or False: Double-sided equations
76. Kietta at the sweet shop: Money multiplication and addition
77. Bailey at the sweet shop: Money multiplication and addition
78. Callum at the sweet shop: Money multiplication and addition
79. Oscar at the sweet shop: Money multiplication and addition
80. Hannah at the sweet shop: Money multiplication and addition
81. Same or different : Click all the boxes with the same answer.
82. Same or different : Click all the boxes with the same answer.
83. Same or different : Click all the boxes with the same answer.
84. Changing numbers 683-554
85. Changing numbers 257-138
86. Changing numbers 884-763
87. Changing numbers 576-557
88. Changing numbers 794-683
89. Changing numbers 461-432
90. Use the pattern: 40 - 6, 400 - 60, 4000 - 600
91. Use the pattern: 60 - 2, 600 - 20, 6000 - 200
92. Use the pattern: 50 - 9, 500 - 90, 5000 - 900
93. Use the pattern: 80 - 5, 800 - 50, 8000 - 500
94. Use the pattern: 90 - 8, 900 - 80, 9000 - 800
95. Spot the difference: 175-162, 187-170, 264-243 =?
96. Spot the difference: 360-345, 122-108, 754-742 =?
97. Spot the difference: 217-201, 184-167, 340-321 =?
98. Spot the difference: 609-597, 99-118, 77-105 =?
99. Spot the difference: 360-375, 129-118, 156-140 =?
100. CD players $285 - $128
101. Take it away 154-36=118
102. Take it away 763-57=706
103. Take it away 681-29=652
104. Same or Different: Answer 42
105. Same or Different: Answer 50
106. Same or Different: Answer 85
107. Same or Different: Answer 76
108. Same or Different: Answer 24
109. Same or Different: Answer 60
110. Same or Different: Answer 32
111. Same or Different: Answer 45
112. Same or Different: Answer 21
113. Same or Different: Answer 55
114. Take tens: 734-50=?
115. Take tens: 408-90=?
116. Take tens: 978-80=?
117. Take tens: 345-70=?
118. Take tens: 533-60=?
119. Anyone for a burger?: $20-($5+$4+$1+$2)
120. 100 zone: 600-3, 400-5, 200-7
121. 100 zone: 900-9, 700-7, 500-5
122. 100 zone: 700-2, 300-4, 100-6
123. 100 zone: 400-6, 300-4, 200-2
124. 100 zone: 800-8, 600-6, 400-4
125. 1000s crossing: 6002-6, 4001-4, 2005-7
126. 1000s crossing: 7002-8, 5004-7, 3003-6,
127. 1000s crossing: 9002-9, 18006-7, 7007-9
128. 1000s crossing: 5001-5, 10003-5, 1004-5
129. 1000s crossing: 8004-7, 13003-8, 4006-9
130. Tens Takeaway: 400-20, 40 less than 480, ?-80=360
131. Tens Takeaway: 500-50, 70 less than 700, ?-90=810
132. Tens Takeaway: 900-30, 10 less than 400, ?-60=40
133. Tens Takeaway: 300-80, 50 less than 700, ?-90=110
134. Tens Takeaway: 600-20, 70 less than 500, ?-30=370
135. True or False?: 80-60=44-24
136. Subtraction Chains
137. Subtraction Chains
138. Subtraction Chains
139. Subtraction Chains
140. Subtraction Chains
141. Subtraction Chains
142. Subtraction Chains
143. Subtraction Chains
144. Subtraction Chains
145. Hundreds and Thousands: 1643 - 788 = *55
146. Take it away: 422 - 114 = ?
147. Take it away: 650 - 322 = ?
148. Take it away: 456 - 245 = ?
149. Take it away: 763 - 335 = ?
150. Take it away: 389 - 147 = ?
151. 1000s crossing: 6010-5995, 8012-7990, 4023-3998
152. 1000s crossing: 2002-1999, 9015-8990, 5011-4991
153. 1000s crossing: 4011-3994, 5009-4989, 7013-6990
154. 1000s crossing: 3021-2988, 6017-5996, 2008-1994
155. 1000s crossing: 8016-7991, 7004-6987, 9020-8995
156. True or False?: 267 - 89 = 178
157. True or False?: 287 = 372 - 85
158. True or False?: 751 - 96 = 655
159. True or False?: 423 - 78 = 356
160. True or False?: 576 = 652 - 74
161. Same or different: Click all the boxes with the same answer.
162. Same or different: Click all the boxes with the same answer.
163. Same or different: Click all the boxes with the same answer.
164. Same or different: Click all the boxes with the same answer.
165. Same or different: Click all the boxes with the same answer.
166. Shannon's Day Out - $25-$3-$11-$6-$4=$1
167. Give or Take Thousands: 155 000 - 2000
168. Give or Take Thousands: 222 000 - 22 000
169. Give or Take Thousands: Take 39 000 from 49 000
170. Give or Take 1000: 155000 - 4000 = ?
171. Give or Take 1000: how much more 590000 than 290000
172. Give or Take Thousands: 19 000 less than 49 000
173. Sleep on it: $134-$79=$?
174. 1000s crossing: 4020-3990, 7005-6985, 3009-2999
175. 1000s crossing: 2030-1980, 4040-3960, 6010-5970
176. 1000s crossing: 1050-980, 2020-1970, 5070-4990
177. Uncle Max's New Car - $7845-$3250
178. Anyone for a burger? $6 + $6 + $1 + $3 from $50
179. Anyone for a burger? $4 + $6 + $1 + $2 from $20
180. Bargain Basement: Money addition and subtraction
181. Ross at the sweet shop: Money addition and subtraction
182. Funky Frank's day out: Money addition and subtraction
183. Financially Frank: Money addition and subtraction
184. Road work: Distance to go on one tank of fuel
185. Fill Up The Tank: 1000-255=?
186. All Things Equal - equivalent to 7 + 7
187. Build A Total - number sequence, 44
188. Build A Total - number sequence, 36
189. Build A Total - number sequence, 23
190. Build A Total - number sequence, 28
191. Build A Total - number sequence, 32
192. Sarah at the shop: $2 - (40c + 30c + 50c + 5c)
193. Tina at the shop: $2 - (60c + 45c + 25c + 30c)
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