Review 3

Which number will correctly complete the table?

• 70

• 100

• 700

• 800

Use the area model to find the missing partial product.

• 110

• 1,100

• 2,800

• 28,000

What is the product of 8,465 and 7?

(a)  

Select all the prime numbers.

• 21

• 35

• 41

• 63

• 79

Taylor rode 9 miles on her bike. Her brother biked 3 times as far. Which equation shows the number of miles Taylor's brother biked?

• m x 3 = 9

• m + 3 = 9

• 3 + 9 = m

• 3 x 9 = m

Which phrase represents 400,689?

• Four thousand six hundred eighty-nine

• Four hundred six hundred eighty-nine

• Four hundred thousand six hundred eighty-nine

• Four hundred thousand six thousand eighty-nine

The area of a rectangular living room is 99 square feet. The width of the room is 9 feet. What is the perimeter of the room?

• 108 feet

• 90 feet

• 40 feet

• 11 feet

Which of the following equations correctly solves to find the product of 246 x 7?

• (2+4+6) x 7 = 84

• (200 + 7) + ( 4 x 7) + (6 x 7) = 1,470

• (240 x 6) + (6 x 7) = 1,482

• (200 x 7) + (46 x 7) = 1,722

Which reasoning can help you solve the equation 18 x n = 9 x 8 ?

• n must be 90 because 9 x 8 is 72 and you add 18

• n must be 72 because 9 x 8 equals 72

• n must be 16 because 18 is 2 times 9 and n must be 2 times 8

• n must be 4 because 18 is 2 times 9 and n must be half of 8.

Which statement is true about the value of the digit 8 in the whole numbers 1,825 and 8,367?

• The 8 in 8,367 represents 1 times the value of 8 in 1,825

• The 8 in 8,367 represents 10 times the value of the 8 in 1,825

• The 8 in 8,367 represents 100 times the value of the 8 in 1,825

• The 8 in 8,367 represents 1000 times the value of the 8 in 1,825