Students use place value and expanded form to subtract 3-digit numbers. Students apply phonics skills to learn about the preconsonantal nasal -ng and the strategy of a KWL chart. Students use place ...

Subtraction is when you take away a number or an amount from another number or amount to work out what is left. There are different things you can use to help you subtract. You can use number lines, ...

When you subtract using large numbers, it's often better to use a written method. Column subtraction is a good written method to take one number away from another. It involves writing the smaller ...

What They Need To Know: In math, students extend their understanding of place value to the hundreds place. They will use this to solve word problems, such as those involving length and other units of ...

In math, students will extend their understanding of place value to the hundreds place. They will use this to solve word problems, such as those involving length and other units of measure. Students ...

– Ask your students to choose a three-digit number where the first and last digits differ by at least 2. – Reverse the number and subtract the smaller number from the larger one. – Ask a student to ...