HWOO math review

Power of 10

100

10³

1,000

200

What is ten to the power of two multiplied by 10?

(10³)(10) or 10⁴

300

(2.89)(10⁵)

289,000

400

10⁸

100,000,000

500

1.217/10⁶

0.000001217

Place Value

100

What is the place value of 5 in 289.654?

Hundredth Place

200

Is the 6 in 879.675 tens places?

No, 6 in 879.675 is tenth place.

300

Is it possible for 7 to be decreasing with multiplying "Whole Number"?

Hundredth Place is What?

(Just write like this: 0.1)

0.01

400

      5797.737

What is the place value of 7 in the number? Name at least 3

7 hundreds

7 ones

7 tenths

7 thousandths

500

Is it possible for 7 to be decreasing place value with multiplying "Whole Number"?

No, we need to divide whole number or multiply decimals.

Forms of Number

100

What is Standard Form?

A standard form is one type that is written in numbers.

200

203.45 in written form?

Two hundred three and forty-five hundredth

300

What do we call decimal point in written form?

'AND'

400

What is the expanded form of 3978.562? Write down two types

Decimal:3000+900+70+8+(5×1/10)+(6ᳵ1/100)+(2×1/1000)

Fraction:3000+900+70+8+(5×0.1)+(6×0.01)+(2×0.001)

500

4000+200+70+8+(6×0.1)(7×0.01) in written form

Four thousand two hundred seventy-eight and six hundred seven thousandths

Decimal

100

0.001ᳵ10³

1

200

0.256ᳵ10⁵

25,600

300

what is 563.27in written form?

five hundred sixty-three and twenty seven hundredths

400

Express 10^-3 into fraction

1/1000

500

39.001÷10⁴×10⁶

3900.1

Bonus

100

                                381.749

Round to the nearest hundredths

381.75

200

What is the step while comparing two numbers?(Hint:We need to compare ____first)

We need compare bigger number first.

300

How does place value move to the right?(Hint: Think about multiplication)

Power of 10

400

What is the difference of 10^-3 and 10³?

decimal point goes left when 10^-3, but decimal point goes right when 10³( you can also say 10^-3 is 0.001, but 10³ is 1,000)

500

10⨉10⨉10⨉10⨉10⨉10⨉10⨉10?

100,000,000