Which subtraction model-take-away, missing addend,

Last updated: 7/5/2022

Which subtraction model-take-away, missing addend, comparison, or measurement corresponds best to each problem below? (a) George has a book of 15 pizza coupons. If he used 5 coupons to buy pizza for Friday's party, how many coupons does he have left? (b) Tobias has saved $45 toward the $65 CD player he wants to buy. How much money does he have to add to his savings to purchase the player? (a) Which subtraction model corresponds best to this problem? Comparison Missing addend Take away Measurement