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Addition and Subtraction Mastery

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Questions and Answers

How can one-and two-digit addition and subtraction problems be solved?

By estimating and rounding numbers

By multiplying and dividing

By using complex algebraic equations

By partitioning and using quantity values (correct)

What can be used to solve one- and two-digit addition and subtraction problems?

A ruler

A blank number line (correct)

A protractor

A compass

How can addition and subtraction problems with one- and two-digit numbers be solved by 'bridging to 10'?

By converting them to Roman numerals

By making the numbers more friendly for mental calculations (correct)

By rounding the numbers to the nearest ten

By using a calculator

What can be formed when adding and subtracting two-digit numbers?

Multiples of ten Signup and view all the answers

How can a subtraction be turned into an addition using an inverse strategy?

By adding the same number Signup and view all the answers

How can addition and subtraction problems with one- and two-digit numbers be solved by 'partitioning'?

Breaking numbers into parts to make calculations easier Signup and view all the answers

What does it mean to 'bridge to 10' when solving addition and subtraction problems?

Adjusting numbers to make them easier to add or subtract with 10 Signup and view all the answers

How can the associative property of addition be applied to forming multiples of 10?

Changing the grouping of numbers to simplify adding multiples of 10 Signup and view all the answers

What does it mean to 'form multiples of ten' when adding and subtracting two-digit numbers?

Creating products that are whole number multiples of 10 Signup and view all the answers

How can a subtraction be turned into an addition using an inverse strategy?

Adding the same value to both numbers in the subtraction Signup and view all the answers

Addition and Subtraction Mastery

Choose a study mode

Podcast

Questions and Answers

How can one-and two-digit addition and subtraction problems be solved?

What can be used to solve one- and two-digit addition and subtraction problems?

How can addition and subtraction problems with one- and two-digit numbers be solved by 'bridging to 10'?

What can be formed when adding and subtracting two-digit numbers?

How can a subtraction be turned into an addition using an inverse strategy?

How can addition and subtraction problems with one- and two-digit numbers be solved by 'partitioning'?

What does it mean to 'bridge to 10' when solving addition and subtraction problems?

How can the associative property of addition be applied to forming multiples of 10?

What does it mean to 'form multiples of ten' when adding and subtracting two-digit numbers?

How can a subtraction be turned into an addition using an inverse strategy?

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