Unit 1-2 review

line up your numbers any way you want

Line up your numbers by place value

Make sure your decimals are lined up

It does not matter

14

45

28

23

94.3

1886

188.6

943

add

subtract

multiply

divide

add

subtract

multiply

divide

add

subtract

multiply

divide

add

subtract

multiply

divide

add

subtract

multiply

divide

add

subtract

multiply

divide

add

subtract

multiply

divide

( 1.25 + 1.50 + 5.00)

( 1.25 + 5.00)

5.00 - ( 1.25 + 1.50)

( 5.00 - 1.25)

4.25

4.74

3.74

0.13 > 0.31

3.58 > 3.85

8.59 < 8.95

5.98 < 5.89

$$0.45<0.5$$ because hundredths are greater than tenths.

$$0.45<0.5$$ because $$\frac{45}{100}<\frac{50}{100}$$ .

$$0.45>0.5$$ because $$45>5$$ .

$$0.45>0.5$$ because hundredths are greater than tenths.

0.4437

437

0.437

4.37

(5 X 1) + (3 X 1/100) + (1 X 1/1,000)

(5 X 10) + (2 X 1/10) + ( 1 X 1/100)

(5 X 1) + (2 X 1/100) + (1 x 1000)

(5 X 10) + (2 X 1/100) + ( 1 X 1/1,000)

8 tens + 3 ones + 9 tenths + 14 thousandths

83 ones + 9 tenths + 1 hundredth + 4 thousandths

8 tens + 3 ones + 9 tenths + 1 hundredth + 4 thousandths

8 tens + 3 ones + 91 tenths + 1 hundredth + 4 thousandths

8 tens + 3 ones + 9 tenths + 1 hundredth + 14 thousandths

least to greatest

greatest to least

least to greatest order

greatest to least order

1,235 is 1,000 times greater than 1.235.

1,235 is 100 times greater than 1.235.

1,235 is 10 times greater than 1.235.

1.235 is 1 /1000 of 1,235.

1.235 is 1/100 of 1,235.

9 tens + 8 ones + 2 tenths + 1 hundredth + 15 thousandths

9 tens + 8 ones + 21 tenths + 1 hundredth + 5 thousandths

9 tens + 8 ones + 2 tenths + 1 hundredth + 5 thousandths

98 ones + 2 tenths + 1 hundredth + 5 thousandths

9 tens + 8 ones + 2 tenths + 15 thousandths