Chapter Four Study Guide Mrs. Sherwood Grade Four Math Chapter Four Study Guide Mrs. Sherwood

Estimate 486,987 - 234,140 Round the 486,987 to 500,000 Round the 234,140 to 200,000 500,000 – 200,000 = 300,000

Estimating Money Amounts Estimate: $57.46 – $38.35 Round $57.46 to $60 Round $38.35 to $40 $60 - $40 = $20

Solve for r 547 – r = 326 547 – 326 = 221 r = 221 974 – r = 673 974 – 673 = 301 r = 301

Word Problems John R. has 589 baseball cards. Ryley has 416 baseball cards. How many more baseball cards does John have than Ryley? Write a number sentence to solve. 589 – 416 = 173 John has 173 more baseball cards than Ryley.

Subtract 6 7 16 14 708,754 235,865 472,889 1 1

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