Search Results For “thinking of a number”

Subtract a single digit from a 2-digit number up to 20.

Subtract a 2-digit number not crossing ten.

Subtract a single digit from a 2-digit number up to 20.

Add a multiple of 10 to a 3-digit number with a bar model, crossing 100.

Add a multiple of 10 to a 3-digit number with a bar model, not crossing 100.

Subtracting a multiple of 10 from a 3-digit number, with bar models. Exchange from hundreds to tens needed.

Using base 10 blocks to help with subtracting a single digit from a 3-digit number.

Subtracting a multiple of 10 from a 3-digit number, with bar models. No crossing of hundreds needed.

Subtracting a multiple of 10 from a 3-digit number. Exchange from hundreds to tens needed.

Subtracting a single digit from a 3-digit number.

Subtracting a multiple of 10 from a 3-digit number, with base 10 blocks. Exchange from hundreds to tens needed.

Calculations involving working out square numbers.