Grade 4 - Progress in Mathematics

Temperature

6-10

230 °

120 °

140 °

160 °

180 °

200 °

220 °

130 °

150 °

170 °

190 °

-- 20 °

-- 20 °

-- 40 °

40 °

-- 60 °

60 °

-- 80 °

80 °

10 0°

10 0°

• 20 °

20 °

• 0 °

0 °

F C

-- 10 °

-- 10 °

-- 10 °

10 °

-- 30 °

30 °

-- 50 °

-- 70 °

-- 90 °

110 °

50 °

70 °

90 °

110 °

210 °

Water freezes

( (^32) °F; (^0) °C)
Room temperature
( 68 °F; 20 °C)
Normal body
temperature
(98.6°F; (^37) °C)
Water boils
( (^212) °F; (^100) °C)
A thermometer is used
to measure temperature.
Temperature can be measured
in degrees Fahrenheit (°F)
or in degrees Celsius (°C).
Each line on the Fahrenheit
scale stands for 2
F.
Room temperature in
degrees Fahrenheit is
about 68
F.
Each line on the Celsius
scale stands for 1
C.
Room temperature in
degrees Celsius is
about 20
C.
Use a minus sign to write
temperatures below zero.
Write:  5
F
Read: 5 degrees Fahrenheit
below zero
Write:  10
C
Read: 10 degrees Celsius
below zero
Write the letter of the better estimate.

1. hot summer day 2. ice skating weather

a. 90 
C b. 90 
F a.  10 
C b. 10 
C

1.8

8204-6_224-225 10/8/07 6:36 PM Page 224