Mathematics - Decimals - Adding and subtracting decimals - Shopping Cart Math
Show a shopping scenario: 'An apple costs $1.25 and juice costs $2.49. What's the total?' Options: $3.64, $3.74, $3.84, $2.74. Do 4 quick shopping addition/subtraction problems. Money makes decimal operations feel natural and necessary. The student estimates first, then sees the exact answer.