Question

interactive examples
draw a diagram. write an equation using ■ for
the unknown number. solve.

1. molly had a ribbon that was 23 inches long.

she cut 7 inches off the ribbon. how long is
her ribbon now?
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mollys ribbon is ______ inches long now.

1. write math describe how you could draw a diagram

for a problem about finding the total length for two
strings, 15 inches long and 7 inches long.

Explanation:

Step1: Define unknown and equation

Let $\square$ = new ribbon length. Equation: $\square = 23 - 7$

Step2: Calculate the result

$\square = 16$

Step3: Explain diagram for question 2

Draw two separate line segments: one labeled "15 inches" and another labeled "7 inches". Place them end-to-end horizontally to form a single continuous segment, then label the combined segment to represent the total length.

Answer:

1. Molly's ribbon is 16 inches long now.
2. Draw two line segments (15 inches and 7 inches) end-to-end to show their combined total length.