JehieliU357962 JehieliU357962

25-10-2022
Mathematics

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Use compatible numbers to determine if 455+ 229 is more than 650

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SynaiR702667 SynaiR702667

25-10-2022

Step 1

compatible numbers are the numbers that are easy to add, subtract, multiply, or divide mentally.

Step 2

Math problem

455 + 229

Compatible numbers

455 + 225 = 680

680 is close to 455+229 = 684

Step 3:

Hence

By compatible numbers, 455 + 229 is more than 650.

Answer Link

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