Search Results For “add and subtract multiples of 10 and 100”

Add 21 to any 2-digit number.

Add whole tens with a number line to help.

Add a 2-digit number to a multiple of 10, with no additional help.

Add a 2-digit number to a multiple of 10, with a part whole model to help.

Add whole tens with no additional help.

Add 19 to any 2-digit number.

Add 9 to any 2-digit number.

Add three numbers with totals up to 20.

Add three numbers with totals up to 20.

Add three numbers with totals up to 20. Just one minute to answer as many as possible.

Add whole tens with no help.

Add 9 to any 2-digit number.