3rd Grade OA Mock

Which equation is true when r = 7?

• 6 = 30 ÷ r

• 7 = 54 ÷ r

• 7 = 49 ÷ r

• 9 = 72 ÷ r

Sam’s goal is to walk 36 miles.

• He walks 4 miles each day.

• He has walked for 6 days.

Which equation can be used to find how many more miles, n, Sam still needs to walk to reach his goal?

• 3 × 5 + n = 36

• 4 × 6 + n = 36

• 4 × 6 × n = 36

• 9 × 4 + n = 36

Chantelle has 56 stickers. She will give all of the stickers to 8 friends. Each friend will receive the same number of stickers. Which equation will help Chantelle decide how many stickers, n, to give to each friend?

• n ÷ 8 = 56

• 8 × n = 56

• 56 – n = 48

• 56 – 8 = n

Daniel’s goal is to walk 100 miles.

• He walks 5 miles every day.

• He has walked for 7 days.

• Daniel still needs to walk k more miles for his goal.

Which equation could be used to find how many more miles, k, Daniel will have to walk to meet his goal?

• 100 = 5 × 7 + k

• 100 = 5 × 7 × k

• 100 = 5 × 7 – k

• 100 = 5 + 7 + k

Carlos and his friends collected 72 rocks. Each person collected 9 rocks. How many people collected rocks?

• 8

• 9

• 63

• 81

Jasmine wrote 2 pages in her journal every day for 7 days. Her journal has 32 total pages. How many pages does Jasmine have left to write before her journal will be full?

• 14 pages

• 18 pages

• 25 pages

• 30 pages

A train makes 9 stops each day. How many days will it take for the train to make 63 stops?

• 7

• 9

• 54

• 72

Which expression can be used to find the missing number in this multiplication table?

• 63 + 9

• 45 – 9

• 63 – 15

• 45 + 9

Lacey has a bookcase with 6 shelves.

• She used only 4 of the shelves.

• She put 6 books on each shelf.

Which choice shows another way Lacey could put the same number of books in the bookcase, but this time, using all of the shelves?

• 2 books on each shelf

• 4 books on each shelf

• 10 books on each shelf

• 24 books on each shelf

Tanya baked 125 cookies for a bake sale. Mark baked 67 fewer cookies than Tanya. How many cookies did they bake in all?

• 183

• 192

• 250

• 267