Search Results For “adding tens”

Add whole tens with a number line to help.

Add whole tens with no additional help.

Add whole tens with no help.

Add mentally a single digit to a 3-digit number, not crossing the tens.

Subtract a single digit from 3-digit numbers (crossing hundreds and tens).

Subtract whole tens up to 100 with a bar model to help.

Subtract a 2-digit number not crossing the tens with a bar model to help.

Subtract a 2-digit number not crossing the tens with a number line to help.

Subtract whole tens up to 100 with no additional help.

Subtract whole tens up to 100 with a number line to help.

Visual help with counting in tens.

Finding the missing amounts, working with tens and ones.