Decimal Operations with Hank the Math Horse

What is the first step in adding 2.55 and 1.23 using models?

• Add the whole numbers first

• Add the tenths first

• Add all parts together at once

• Add the hundredths first

After adding 2.55 and 1.23, what is the resulting sum?

• 3.23

• 3.55

• 3.68

• 3.78

When subtracting 3.47 from 6.18 using a number line, what is the first step?

• Subtract 0.18

• Add 2 to 3.47

• Subtract 3 from 6.18

• Add 0.53 to 3.47

What is the final result of subtracting 3.47 from 6.18?

• 3.71

• 3.47

• 2.71

• 2.47

How do you find the difference between two decimals using a number line?

• By adding the two numbers

• By counting down

• By subtracting directly

• By counting up