Unit 1 Review

Master 4th grade math with our comprehensive review worksheet!

Identify the values of each digit in the number 5,638(insert answers without commas) The value of the 3 is 30The value of the 5 is 5000The value of the 8 is 8The value of the 6 is 600 Identify the place values of the digits in the number 42,085. The 8 is in the tens placeThe 4 is in the ten-thousands placeThe 2 is in the thousands placeThe 0 is in the hundreds placeThe 5 is in the ones place 686 _ 668 < > = 1606_ 1716 < > = 27,891 _ 29,544 < > = 216,549 _75,408 < > = Round the numbers: A. Round to the nearest hundred: 8093Answer (no comma): 8100B. Round to the nearest hundred-thousand: 462,078Answer (no comma): 500000 Carlos was baking cookies. He baked 54 cookies on Monday, 78 on Tuesday, and 166 on Wednesday. His family ate 27 of the cookies. He needs at least 300 cookies for a bake sale.Without solving, do you think he has enough? Explain why or why not with your estimation strategy?Find the exact number of cookies that he has and answer below. Estimate and then solve with U.S. Traditional Addition(don't use commas in answers) 637 + 485 = 1122935 + 137 = 1072 Estimate and then solve with U.S. Traditional Subtraction(don't use commas in answers) 637 - 485 = 152935 - 137 = 798 Convert from yards to feet: Yards Feet 1 3 4 12 8 24 12 36 Explain how you figured out how many feet are in 12 yards. Circle the right angles on the shape(use the paint tool) Find the perimeter: 16 feet Explain how you found the perimeter for the previous problem.