Mini Lesson Review (11:15)

Decimal Place Value: ones tenths and hundredths

100

29.41

ones: 9

Tenths: 4

hundredths: 1

200

37.63

ones: 7

Tenths: 6

hundredths: 3

300

137.81

ones: 7

Tenths: 8

hundredths: 1

400

896.126

ones: 6

Tenths: 1

hundredths: 2

Decimal Place Value: tens, tenths, thousandths

100

672.1076

Tens: 7

Tenths: 1

Thousandths: 7

200

14.943

Tens: 1

Tenths: 9

Thousandths: 3

300

9431.745

Tens: 3

Tenths: 7

Thousandths: 5

400

314.159

Tens: 1

Tenths: 1

Thousandths: 9

Multiplication of a decimal by a power of 10

100

1000 x 0.885

=885

200

100 x 0.443

=44.3

300

10 x 1.354

13.54

400

1000 x 29.3258

29325.8

Decimal subtraction

100

15.63-5.57

hint: line up the decimals first

10.06

200

28.63-9.43

hint: line up the decimals first

19.20

300

134.25-7.68

hint: line up the decimals first

126.57

400

314.15-9.42

hint: line up the decimals first

304.92