Harvest Market Math: 4-Digit Regrouping

Students help Tom the turkey keep his Thanksgiving harvest stall's numbers straight: they decide when to regroup, solve 4-digit addition and subtraction problems (including subtracting across zeros), solve two market word problems, and check a difference with addition.

• 10 scenes: regrouping decisions, 4-digit addition and subtraction, two word problems and an addition check

• Decide when a 4-digit problem needs regrouping.
• Add and subtract 4-digit numbers with regrouping, including across zeros.
• Check a subtraction answer with addition.