Math Connects Chapter 6

Chapter 6- Model Two-Digit Subtraction

Summary

Great poem to help remember when to regroup.

Great poem to help remember when to regroup.

6-1 Subtract Tens:  I can use mental math and basic facts to subtract tens.

6-2 Count Back Tens and Ones:  I can count back by tens and ones to subtract.

6-3 Regroup Tens as Ones:  I can understand numbers with and without regrouping.

6-4 PSS: Write a Number Sentence:  I can use write a number sentence as a strategy to solve problems.

6-5 Subtract One-Digit Numbers from Two-Digit Numbers:  I can subtract one-digit numbers from two-digit numbers with and without regrouping.

6-6 Subtract Two-Digit Number:  I can subtract two-digit numbers with and without regrouping.

6-7 Check Subtraction:  I can check my subtraction by using addition.

6-8 PSS:  Choose a Strategy:  I can choose the best strategy to solve problems.

6-9 Estimate Differences:  I can estimate differences by rounding to the nearest tens.

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