Math Lesson 1-5

Four swimmers are entered into a competition. Their times are 29.8 seconds, 29.751 seconds, 29.79 seconds, and 29.81 seconds. Which statement correctly compares two of these numbers?

• 29.751 < 29.79

• 29.751 >29.79

• 29.79 > 29.8

• 29.81 < 29.8

What is the value of the 2 in the number 16.932

• 0.02

• 0.002

• 0.0002

• 0.2

Chris bought a baseball bat and a baseball at the store for $31.06. He paid $23.35 for the baseball bat. How much did Chris pay for the baseball, in dollars and cents?

• $54.41

• $24.54

• $7.71

• $9,71

Each of three students wrote an equation.

• Erica wrote 0.5 > 0.05
• Kevin wrote 0.5 = 0.05
• Elijah wrote 0.5 < 0.05

Which of these students wrote and equation that is true?

• Erica only

• Erica and Kevin only

• Elijah only

• Erica, Kevin, and Elijah

Round the number 253.253 to the nearest tenth.

• 250

• 253.2

• 253.3

• 254

An adult panda can eat 38 pounds of bamboo each day. How many pounds of bamboo can a panda eat in 13 days?

• 65

• 25

• 51

• 494

What is 54.628 rounded to the nearest hundredth?

• 54.2

• 55

• 54.63

• 54.6

Ms. Sanchez weighed sand for a science experiment. The first sample weighed 34.406 grams. How is this number written in expanded notation?

• ( 3 * 10 ) + ( 4 * 1) + ( 4 * 0.1) + ( 6* 0.001)

• ( 3 * 10 ) + ( 4*1 ) + (4 * 0.1 ) + ( 6 * 0.01 )

• ( 3 * 10,000 ) + ( 4 * 1,000 ) + ( 4 * 100 ) + ( 6 * 1)

• (3 * 1) + ( 4* 10 ) + ( 4 * 100 ) + ( 6* 10 )

Tammy and Cesar went on a hiking trip with some friends. Tammy hiked 4.15 miles and Cesar hiked 4.5 miles. Which shows the correct way to compare how far Tammy and Cesar hiked?

• 4.15 > 4.5

• 4.15 < 4.5

• 4.5 < 4.15

• 4.5 =4.15

John has a gift certificate worth $ 40 to spend at a music shop.

Item Prices

Headphones $ 12.58

New CD $ 18.39

Used CD $ 9.50

New DVD $ 22.50

Used DVD $ 11.99

Which could John buy using only his gift certificate?

• Used CD, New DVD, Used DVD

• New CD, Used CD, Used DVD

• New CD, New DVD

• Headphones, New CD, Used CD