Operations and Algebraic Thinking
Reggie has 12 times as many model cars as Jackson. Jackson has 5 model cars. Which equation can be used to determine the number of cars Reggie has?
A. 5 x 12 = ?
B. 5 + 12 = ?
C. 12 – 5 = ?
D. 12 ÷ 5 = ?
A) 5x 12 = ?
Jack bought 2 umbrellas. Each umbrella costs $13. He bought 3 hats, each costing $4. How much did Jack spend in all?
$38
Jack wants to buy the same number of hats for 3 of his friends. He has $57 dollars, and each hat costs $5. What is the greatest number of hats that Jack can buy for each friend?
3
Select all the true equations.
A. 72 – 29 = 70 – 31
B. 72 – 29 = 67 – 24
C. 72 – 29 = 70 – 30
D. 72 – 29 = 74 – 31
E. 72 – 29 = 62 – 39
B & D
What is the missing number in the equation shown? 102 – 25 = □– 38
115