Wednesday, 20 June 2018
Monday, 18 June 2018
Thursday, 7 June 2018
Adding 100s, 10s and 1s
Adding 100s, 10s and 1s
-We are learning to solve addition problems by adding 100s, 10s and 1s.
Question
|
Adding 100s
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Adding 10s
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Adding 1s
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Answer
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145+254=399
|
100+200=300
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40+50=90
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5+4=9
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300+90+9=399
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643+235=878
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600 + 200 = 800
|
40 + 30 = 70
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3 + 5 = 8
|
800+70+8=878
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727+65=786
|
700 + 0 = 700
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20 + 60 = 80
|
7 + 5 = 11
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700+80+11=786
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639+347=986
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600 + 300 = 900
|
30 + 40 = 70
|
9 + 7= 16
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900+70+16=986
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373+82=455
|
300 + 0 = 300
|
70 + 80 = 150
|
3 + 2 = 5
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300+150+5=455
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642+298=940
|
600 + 200 = 800
|
40 + 90 = 130
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2 + 8 = 10
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800+130+10=940
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587+465=1052
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500 + 400 = 900
|
80 + 60 = 140
|
7 + 5 = 12
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900+140+12=1052
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754+76=830
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700 + 0=700
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50 + 70 = 120
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4 + 6 = 10
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700+120+10=830
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467+276=
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400 + 200 = 600
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60 + 70 = 130
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7 + 6 = 13
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600 + 130 + 13 =743
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399+764=
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300 + 700 = 1000
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90 + 60 = 150
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9 + 4 = 13
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1000+150+13=163
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Word problems
Problem
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Working and answer
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There were 167 Sandwiches at the bakery. The baker made another 58 sandwiches. How many sandwiches are there altogether?
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167 + 58 = 225
100 + 0 = 100
60 + 50 = 110
7 + 8 = 15
100 + 110 + 15 = 225
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Pt England school has 219 Rugby balls and 178 Netballs. How many balls does the school have?
|
219 + 178 = 397
200 + 100 = 300
10 + 70 = 80
9 + 8 = 17
300 + 80 + 17 = 397
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AJ read the first 243 of a book. There 159 pages left to read. How many pages does the book have?
|
243 + 159 = 402
200 + 100 = 300
40 + 50 = 90
9 + 3 = 12
300 + 90 + 12 = 402
|
There are 329 people sunbathing on the beach. There are another 164 people swimming in the water. How many people are there in total?
|
329 + 164 =493
300 + 100 = 400
20 + 60 = 80
4 + 9 = 13
400 + 80 + 13 = 493
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Laura's coffee shop sold 212 cups of coffee on Monday. They sold another 98 cups on Tuesday. How many cups did the shop sell on both days combined?
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212 + 98 = 310
200 + 0 = 200
10 + 90 = 100
2 + 8 = 10
200 + 100 + 10 = 310
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There were 295 people riding on a train. 127 more people got on at the next station. How many people were riding the train then?
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295 + 127 =
200 + 100 = 300
90 + 20 + 110
5 + 7 = 12
300 + 110 + 12 =422
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Wednesday, 6 June 2018
Adding and Subtracting 100s, 10s and 1s
Adding and Subtracting 100s, 10s and 1s
-We are learning to solve subtraction problems by subtracting 100s, 10s and 1s.
-We are learning to solve addition problems by adding 100s, 10s and 1s
Question
|
Working
|
Answer
|
475 +158=
|
E.g.
400 + 100 = 500
70 + 50 = 120
5 + 8 = 13
500 + 120 = 13 = 633
|
633
|
199+188=234
|
100 + 100 = 200
90 + 80 = 170
9 + 8 17
199 + 188 234
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234
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634+197=831
|
600 + 100 = 700
30 + 90 = 120
4 + 7 = 11
634 + 197 =831
|
831
|
188+189=377
|
100 + 100 = 200
80 + 80 = 160
8 + 9 = 17
188 + 189 = 377
|
377
|
299+156=455
|
200 + 100 + 300
90 + 50 =140
9 + 6 =15
299 + 156 = 455
|
455
|
Question
|
Working
|
Answer
|
482-394=88
|
400 - 300 = 100
80 - 90 = 10
2 - 4 = 2
482 - 394 = 88
|
88
|
531-198=33
|
500 - 100 = 400
30 - 90 =60
1 - 8 = 7
531 - 198 = 333
|
333
|
535-379=
|
500 - 300 = 200
30 - 70 = 40
5 - 9 = 4
535 - 379 =244
| |
933-399=534
|
900 - 300 = 600
30 - 90 = 60
3 - 9 = 6
933 - 399 = 534
|
534
|
221-177=44
|
200 - 100 - 100
20 - 70 = 50
7 - 1 =6
221 - 177 = 44
|
44
|
Word problems
Problem
|
Working and answer
|
Miss Davis had $833 she spent $245 at the supermarket. How much money does Miss Davis have left?
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$833 - $245 = 588
800 - 200 = 600
30 - 40 = 10
3 - 5 = 2
|
The bakery made 174 cookies in the morning and they made another 289 cookies in the afternoon. How many cookies did they made that day?
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174 + 289 = 463 cookies
100 + 200 = 300
70 + 80 = 170
4 + 9 = 13
|
There are 374 children at the park. 198 children leave. How many children are left at the park?
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374 - 198 =176
300 - 100 = 200
70 - 90 = 20
4 - 8 = 4
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Friday, 1 June 2018
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