Addition and Subtraction Problem Solving

William had 235 baseball cards. His grandpa gave him 125 more for his birthday. How many baseball cards does William have now? Use base ten blocks to help you show your work.

Tags

CCSS.2.NBT.B.7

Madison lives on a farm and has a lot of chickens. On Monday she collected 124 eggs. On Tuesday she collected some more. In all, she collected 278 eggs. How many eggs did she collect on Tuesday? Fill in the strip diagram to help you solve the problem.

Tags

CCSS.3.OA.D.8

Eric has 221 model airplanes. He bought 426 more. Then he gave 328 away. How many does he have left? Create a number line to show how you solved the problem.

Tags

CCSS.3.OA.D.8

Smith Elementary second graders collected canned goods for three days. They collected 120 cans on Monday, 236 cans on Tuesday, and some more on Wednesday. In total, they collected 572 cans. Fill in the strip diagram below to help you solve the problem.

Tags

CCSS.3.OA.D.8