Search Results For “prime number”

Adding a number to make a total of 20.

Add three numbers with totals up to 20.

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.