Split Strategy & Rounding Compensation Exit Ticket

Solve 426 + 385 using the split method.

Write your workings in your maths book, then select the correct answer.

• 811

• 791

• 801

• 771

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.

Which is the correct breakdown of 538 + 249 using the split method?

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• 500 + 30 + 8 + 200 + 40 + 9

• 500 + 20 + 8 + 200 + 50 + 9

• 500 + 38 + 200 + 49

• 500 + 3 + 8 + 200 + 4 + 9

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.

Solve 678 + 243 using the split method.

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.

Which part do you add first in the split method?

• Ones

• Tens

• Hundreds

• Doesn't matter

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.

The sum of 759 + 326 is 1,085. Is this reasonable?

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• Yes

• No

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.

Solve 725 - 438 using the split method.

Write your workings in your maths book, then select the correct answer.

• 297

• 287

• 307

• 315

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.

Which numbers need borrowing when solving 612 - 478?

• Hundreds

• Tens

• Ones

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.

Solve 854 - 267 using the split method.

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.

You used the split method to solve 945 - 568 and got 377. What mistake could have been made?

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• Borrowing incorrectly

• Adding instead of subtracting

• Forgetting to carry numbers

• All of the above

• Both A and C

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.

A shop had 742 apples and sold 365. Estimate how many are left by rounding first, then use the split method to check.

Write your workings in your maths book, then select the correct answer.

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OPERATIONS: Use rounding and estimation to predict results and to check the reasonableness of calculations.