Solve using mental math or vertical form with place value disks. Check your work using addition. 378 − 117 = _______
Solve using mental math or vertical form with place value disks. Check your work using addition. 378 − 119 = _______
Solve using mental math or vertical form with place value disks. Check your work using addition. 853 − 433 = _______
Solve using mental math or vertical form with place value disks. Check your work using addition. 853 − 548 = _______