Math quiz 5

Imagine you are a secret agent and you've intercepted a coded message: 5x10 + 2x1 + 3x 1/10 + 8x 1/100. Your mission, should you choose to accept it, is to decode this message by writing it in standard form. Can you do it?

• 52.38

• 52.83

• 58.23

• 53.28

Imagine you're a secret agent and you've intercepted a coded message: 9x 1/10 + 1x 1/100. Your mission, should you choose to accept it, is to decode this message by writing it in standard form. Good luck, agent!

• 9.1

• 9.01

• 0.91

• 0.901

Imagine you're a super cool mathematician and you've just discovered the number 9.32. Can you round it to the tenths place like a pro?

• 9.3

• 9.2

• 9.4

• 9.5

Imagine you're a super cool math wizard! Your first task is to round 1.556 to the hundredths place. Can you do it?

• 1.55

• 1.56

• 1.6

• 1.5

Imagine you are a super mathematician in a world where numbers are your friends. Your friend, number 35, wants to disguise himself as a fraction. He chooses to become '35 hundredths'. Can you help us figure out his new identity?

• 35/100

• 35/10

• 35/1000

• 35/1

Imagine you're a pirate and you've just found a treasure chest with 87 gold coins out of 100. How would you describe this in word form?

• Eighty seven out of one hundred

• Eighty seven hundredths

• Eighty seven percent

• Eighty seven

Imagine you're a super cool mathematician. You've just discovered two magical numbers, 67.2 and 2.31. What happens when you add them together?

• 69.51

• 69.41

• 70.51

• 69.61

Imagine you have 3.1 magical beans and you found 4.2 more. How many magical beans do you have now?

• 7.3

• 7.2

• 7.1

• 7.0

Imagine you have 9.6 chocolate bars and you ate 5.5 of them. How many chocolate bars do you have left?

• 4.1

• 5.1

• 3.1

• 2.1

Subtract 8.2 - 3.9

• 4.3
• 5.3
• 3.3
• 2.3