All Operations Whole Numbers

There are 567 books in a library. If 245 books are borrowed, about how many books are left in the library?

• 330

• 320

• 350

• 100

Marbles are sold in bags of 25. A shop has 16 bags. How many marbles are there altogether?

• 450

• 425

• 400

• 500

Tags

CCSS.1.NBT.A.1

Will was drawing on scrap paper. He could fit 84 drawings on each page. If he has 63 pieces of paper, which expression shows about how many drawings he could make?

• 90 x 70

• 90 x 60

• 80 x 70

• 80 x 60

Amy rode her bike last weekend. Which is the best estimate of the total number of miles she rode her bike?

• 80 miles

• 60 miles

• 70 miles

• 90 miles

Multiply 7 by 6.

• 42

• 36

• 48

• 54

Tags

CCSS.3.OA.C.7

Asha had 499 books. He got 6778 more books. How many does he have altogether?

• 9989

• 7277

• 15454

• 10898

Tags

CCSS.4.OA.A.3

Viktor has 7 piles of coins with 63 coins in each. Which is a reasonable number of coins in Viktor’s piles?

• 300, because 7 × 63 is about 7 × 40 = 280

• 360, because 7 × 63 is about 7 × 50 = 350.

• 441, because 7 × 63 is about 7 × 60 = 420.

• 500, because 7 × 63 is about 7 × 70 = 490

George's school was collecting cans for recycling. They had 81 bags with 67 cans inside each bag. Which expression show about how many cans they collected?

• 80 x 60

• 90 x 60

• 80 x 70

• 90 x 70

A local home store has a lot of potted flowers they want to sell. They have display shelves that will hold 25 plants each. If they want to display all of the plants listed in the chart, how many display shelves would be needed?

• 4

• 8

• 17

• 18

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Jonah reads 265 pages. He has 147 more to read. To the nearest TEN, ABOUT how many pages will Jonah read in all?

• 420

• 300

• 400

• 412