Problem Solving Involving Length

Solving Routine and Non-routine

Problems Involving Length

Illustrative Example:

Dino planted two trees three years ago.
The atis tree is now 2 meters tall while his
mango tree is now 4 meters tall. How
muchtaller is the mango tree from the
atis tree?

A- How muchtaller is the mango tree
from the atis tree?
G- 2 meters, 4 meters
O- Subtraction
N- 4 meters - 2 meters = N
A- 4 - 2 = 2 meters

Multiple Choice

Ashley bought a new Christmas tree and it is 120 centimeters tall. The height of the

old Christmas tree is 100 centimeters. How much taller is the new Christmas tree?

What are the given facts?

• 120 cm and 100 cm

• 110 cm and 12o cm

• 120 cm and 130 cm

• 100 cm and 130 cm

Multiple Choice

The star at the top of the Christmas tree is 24 centimeters tall. What is the height of

the new Christmas tree after the star is put at the top?

What is asked in the problem?

• Height of the star after putting it at the top.

• Height of the new Christmas tree after the star is put at the top.

• Number of new Christmas tree.

• Number of star.

Multiple Choice

There are 2 rolls of silver ribbon. If each roll of ribbon is 4 meters long, how

much silver ribbon is there?

What is the number sentence?

• 4 $$\div$$ 2= N

• 4 - 2 = N

• 4 + 2 = N

• 4 x 2 = N

Multiple Choice

Sam wants to hang three stockings at the fireplace. The larger stocking is 15

centimeters wide and the two smaller stocking are 10 centimeters wide each.

What is the total width of the three stockings?

What is the final answer?

• 15 centimeters

• 5 centimeters

• 35 centimeters

• 25 centimeters

Multiple Choice

The cord of a pair of headphones is 46 centimeters long. It comes with an

extension cord that is 12 centimeters long. What is the total length of the cord?

What is the operation to be used?

• addition

• subtraction

• multiplication

• division