Estimate Tenths

Estimate 9.505 + 0.2683 by rounding to the tenths place.

• 9.50 + 0.26 = 9.76

• 9.5 + 0.2 = 9.7

• 9.5 + 0.3 = 9.8

• 10 + 3 = 13

Round to the nearest tenth. 6.125

• 6

• 6.1

• 6.2

• 6.13

Estimate. 9.22 - 3.88

• 5

• 6

• 12

• 13

Estimate 8.21 + 9.88

• 18

• 17

• 89

• 1

Tenths

• 1/1000 of 1 or $0.001 of $1 (not even a penny)

• 1/100 of 1 of $0.01 of a $1.

• 1/10 of 1 or $0.10 of a $1.

• The counting numbers and zero

What decimal is shown?

• 0.6

• 0.06

• 6

• 60

One part in ten equal parts.

• Decimal

• Tenths

• Hundredths

• Thousandths

What does the model represent?

• 9.10

• 0.09

• 0.9

• 0.99

What is 2.15 rounded to the nearest tenth?

• 2.0

• 2.2

• 2.25

• 2.1

My tomato plant was 32.25 centimeters tall at the end of May. In June it grew 13.4 centimeters. Estimate the height of the tomato plant at the end of June. Will your estimate be higher or lower than the actual height?

• 45 cm. The estimate is lower because I rounded each number down.

• 45 cm. The estimate is higher because I rounded each number up.

• 46 cm. The estimate is higher because I rounded each number up.

• 44 cm. The estimate is lower because I rounded each number down.