Page 68 - NUMINO TG_2A

04Following the Footsteps Unit

Material Die, Inch Ruler [A9]
CMath Vo abulary inch: a customary unit of length, 1 inch = 1 of a foot

12

2 Draw a line by rolling a die, and measure the length of the line. 2. Have students roll a die and estimate and
draw the length according to the number of
Let’s Play dots. 1 dot represents 1 inch. Then have
them measure the length with an inch ruler
1. The teacher rolls a die. What you need and compare the estimated length with the
2. Draw a line from the starting line. The Die actual length.

length of the line should be around the Inch Ruler (A9) When students are estimating and drawing
the lengths, have them not only use their
number rolled on the die. naked eye to guess the length but also use
3. Measure the length of your line with a ruler. the first joint of their thumbs.
4. The person who draws the line closest to the
3. Check Point
number wins.
Students can develop a better feel for how
1 inch (wins) long an inch is by estimating and drawing
1 inch lengths in inches and then comparing the
Starting line estimated lengths with the measured lengths.

Number rolled:

Starting line
Number rolled:

Starting line
Number rolled:

Starting line

4. Following the Footsteps 31

Have students roll a die and estimate the length in inches in correlation to the number of dots on the rolled
dice. The person who finds an object that has the length closest to the actual length wins.

Example:

2in.
The eraser would be closer to 2 inches than the
paper clip. The student who found the eraser wins.

2A Unit 04 051