Exploration of Tenths and Hundredths
Addition with tenths and hundredths
Decimal money
Decimal computation
100

100 hundredths equals how many tenths?

10 tenths

100

0.109 + 0.57

0.679

100

3.89 is how much money? (In money form)

$3 89¢

100

7.4 - 5.3

2.1

200

2.8 x 10

28

200

0.800 + 0.800

1.600

200

 7¢ in decimals

$0.07

200

18.7 - 13.3

5.4

300

3.33 - 0.72 = 

2.61

300

0.829 + 0.676

1.505

300

 $4 and 13¢ in decimals

$4.13

300

18.7 + 13.2

31.9

400

0.998 x 10

9.98

400

0.891 + 0.107

0.998

400

$33 and 77¢ in decimals

$33.77

400

18.6 + 16.6

35.2

500

Max measured a seashell he found at the beach. It was 6.53 inches. He compared it to a smaller shell that was 4.70 inches. How much bigger was the other shell? (Alternatively, 6.53 - 4.70.)

1.83

500

0.908 + 0.891

1.779

500

1 quarter 7 dimes 2 pennies (Equation)

(1 x 25¢) + (1 x 70¢) + (2 x 1¢) = $0.25 + $0.70¢ + $0.2 = $0.97

500

30.92 + 34.71

65.63