Page 357 - NUMINO_WB_5A

142-P1-1

The Sum of the Lengths of the Edges

The sum of the lengths of all the edges is 92 cm. Write the correct number in
the blank.

6 cm

8 cm

cm

Step 1. How many edges are 6 cm? How many edges are 8 cm?

Step 2. Find the sum of the lengths of the edges that are 6 cm.

Step 3. Find the sum of the lengths of the edges that are 8 cm.

Step 4. Use the number sentence to find the number that goes in the blank.

6 (cm) 4 8 (cm) 4 (cm) 4 92 (cm)