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Part-Part-Whole Addition
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Part-Part-Whole Addition
Break each number into hundreds, tens and ones. Add matching parts, then combine them. Show your working where space is provided.
Break Apart and Add
1.Work out 263 + 124 by adding the hundreds, tens and ones separately. Write each partial total, then find the whole sum.
2.Which expanded addition correctly represents 152 + 236?
- 100 + 50 + 2 + 200 + 30 + 6 = 388
- 100 + 50 + 2 + 200 + 30 + 6 = 378
- 150 + 2 + 230 + 6 = 382
3.Split 314 and 167 into hundreds, tens and ones. Add the parts to find their total.
4.Choose the place-value breakdown that shows 438 + 251 as hundreds, tens and ones.
- (400 + 30 + 8) + (200 + 50 + 1)
- (400 + 3 + 8) + (200 + 5 + 1)
- (438) + (251)
Addition in Everyday Situations
5.Omar has 276 trading cards. He gets 158 more. How many cards does he have now? Show how you split the numbers before adding.
6.A weekend market stall earns $347 on Saturday and $286 on Sunday. What is the total amount earned? Break both amounts into place-value parts.
7.Make a part-part-whole drawing for 328 + 146. Label the two parts and the whole, then write the sum.
8.Check this calculation: 541 + 238 = (500 + 40 + 1) + (200 + 30 + 8) = 700 + 70 + 9 = 779. Is it correct? If not, write the correct total.
Think a Little Further
9.Find the missing part: 356 + ____ = 642. What number completes the addition?
10.Three groups collect cans: one group gathers 145, another gathers 238, and the last gathers 176. How many cans do they collect altogether?
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