Why did Jason add up on an open number line to subtract? Choose the two correct answers.
You can always use an open number line to add up to subtract.
You can't always use an open number line to add up to subtract.
Adding up on an open number line should be used for all types of problems.
Adding up on an open number line helps you break numbers apart to subtract.
You can always use an open number line to add up to subtract.
Adding up on an open number line helps you break numbers apart to subtract.