## 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 Adding 10s Adding 1s Answer 145+254=399 100+200=300 40+50=90 5+4=9 300+90+9=399 643+235=878 600 + 200 = 800 40 + 30 = 70 3 + 5 = 8 800+70+8=878 727+65=786 700 + 0 = 700 20 + 60 = 80 7 + 5 = 11 700+80+11=786 639+347=986 600 + 300 = 900 30 + 40 = 70 9 + 7= 16 900+70+16=986 373+82=455 300 + 0 = 300 70 + 80 = 150 3 + 2 = 5 300+150+5=455 642+298=940 600 + 200 = 800 40 + 90 = 130 2 + 8 = 10 800+130+10=940 587+465=1052 500 + 400 = 900 80 + 60 = 140 7 + 5 = 12 900+140+12=1052 754+76=830 700 + 0=700 50 + 70 = 120 4 + 6 = 10 700+120+10=830 467+276= 400 + 200 = 600 60 + 70 = 130 7 + 6 = 13 600 + 130 + 13 =743 399+764= 300 + 700 = 1000 90 + 60 = 150 9 + 4 = 13 1000+150+13=163

Word problems
 Problem Working and answer There were 167 Sandwiches at the bakery. The baker made another 58 sandwiches. How many sandwiches are there altogether? 167 + 58 = 225 100 + 0 = 100 60 + 50 = 110 7 + 8 = 15 100 + 110 + 15 = 225 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 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 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? 212 + 98 = 310 200 + 0 = 200 10 + 90 = 100 2 + 8 = 10 200 + 100 + 10 = 310 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? 295 + 127 = 200 + 100 = 300 90 + 20 + 110 5 + 7 = 12 300 + 110 + 12 =422

## 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 + 188 234 234 634+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? \$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? 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? 374 - 198 =176 300 - 100 = 200 70 - 90 = 20 4 - 8 = 4