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3-Digit Addition Subtraction Grouping

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3-Digit Addition Subtraction Grouping

A weekend market stall is counting its stock and takings. Use place-value grouping to solve each problem. Show how you regroup hundreds, tens and ones when needed.

Warm-up: group by place value

Remember: 356 is 300 + 50 + 6. Add or subtract matching place values, then combine the groups.

Hundreds

Tens

Ones

1.A stall has 243 apples and receives 125 more. Split both numbers into hundreds, tens and ones, then find the total.

2.Solve 354 + 278 by grouping place values. Remember to regroup 12 ones as 1 ten and 2 ones.

3.Which total is correct for 426 + 153? Choose one answer.

4.A fruit seller starts with 583 mandarins and sells 241. Group the hundreds, tens and ones to find how many remain.

5.Solve 702 − 358. You will need to regroup because there are not enough tens or ones to subtract.

6.Fill in the missing number: 268 + □ = 500. Use place-value thinking to work out how much more is needed.

Market maths: use your strategy

Read each situation carefully. Write an equation and include the answer with its unit.

7.The stall sells 186 bunches of carrots in the morning and 237 in the afternoon. How many bunches does it sell altogether?

8.A stall has $650 in its cash tin. It pays $285 for supplies. How much money is left? Show a subtraction method that includes regrouping.

9.True or false? When adding 267 + 185, you can regroup 12 ones as 1 ten and 2 ones. Explain why.

10.The stall packs 325 tomatoes into crates in the morning and another 198 in the afternoon. It sells 146 tomatoes before closing. How many tomatoes are left? Show the addition and subtraction steps.