All the solutions provided in McGraw Hill My Math Grade 2 Answer Key PDF Chapter 11 Review will give you a clear idea of the concepts.
McGraw-Hill My Math Grade 2 Chapter 11 Review Answer Key
Vocabulary Check
Write the correct word in each blank.
length
estimate
measure
foot
inch
yard
centimeter
meter
Question 1.
You can ______________ to find a number close to an exact amount.
Answer:
estimate
Explanation:
You can estimate to find a number close to an exact amount.
Question 2.
_______________ is how long or how far away something is.
Answer:
Length
Explanation:
Length is how long or how far away something is.
Question 3.
A paper clip is about one _______________ long.
Answer:
inch
Explanation:
A paper clip is about one inch long.
Question 4.
A _________________ is equal to 3 feet.
Answer:
yard
Explanation:
A yard is equal to 3 feet.
Question 5.
To ______________ is to find the length, height, or weight using standard or nonstandard units.
Answer:
Measure
Explanation:
To Measure is to find the length, height, or weight using standard or nonstandard units.
Question 6.
A base-ten cube is about one ________________ long.
Answer:
centimeter
Explanation:
A base-ten cube is about one centimeter long.
Question 7.
A _______________ is equal to 12 inches.
Answer:
foot
Explanation:
A foot is equal to 12 inches.
Question 8.
A _____________ is equal to 100 centimeters.
Answer:
Meter
Explanation:
A Meter is equal to 100 centimeters.
Concept Check
Find the object. Estimate the length. Measure the object in centimeters.
Question 9.
Object
Estimate: about _____________ centimeters
Measure: about _____________ centimeters
Answer:
Estimate: about 10 centimeters
Measure: about 8 centimeters
Explanation:
The crayon is about 10 centimeters long
Find the object. Choose the tool and measure it.
Question 10.
Object
Tool: _____________
Measure: about ______________
Answer:
Tool: ruler
Measure: about 15 centimeters
Explanation:
The length of the pencil is measured with the help of a ruler and length is 15 centimeters.
Find the objects. Measure them. Write the lengths. Write longer or shorter.
Question 11.
______________ centimeters
______________ centimeters
The glue stick is ______________ centimeters ______________.
Answer:
18 centimeters is glue bottle length
12 centimeters is glue stick length
The glue stick is 6 centimeters shorter.
Find the object. Measure the length of it twice.
Question 12.
Object
Measure: ____________ centimeters
_____________ meters
Answer:
Measure:
36 centimeters
0.36 meters
Explanation:
1 meter = 100 centimeters
Problem Solving
Question 13.
Use the data to make a line plot. 6 pieces of yarn were 4 inches long, 3 pieces of yarn were 2 inches long, 2 pieces of yarn were 6 inches long, and I piece of yarn was 5 inches long.
Answer:
Explanation:
A line plot is a graph that displays data using a number line.
Question 14.
Mason’s bike is 4 feet long. His scooter is 2 feet long. How many inches longer is his bike than his scooter?
_______________ inches
Answer:
Explanation:
4 feet = 48 inches
2 feet = 24 inches
48 – 24 = 24
so,24 inches longer is his bike than his scooter
Test Practice
Question 15.
Lucy’s lacrosse stick is I meter long. How many centimeters long is Lucy’s lacrosse stick?
(A) 50
(B) 100
(C) 200
(D) 400
Answer:
B
Explanation:
1 Meter = 100 centimeter
so, Lucy’s lacrosse stick is I00 centimeter long
Reflect
Complete each sentence.
Customary
A foot is equal to _____________ inches.
A yard is equal to ____________ inches or __________ feet.
My foot is about ____________ inches long.
I can measure customary lengths with a ____________, __________, or ____________.
Answer:
A foot is equal to 12 inches.
A yard is equal to 36 inches or 3 feet.
My foot is about 12 inches long.
I can measure customary lengths with a inch, yard, or feet.
Metric
A meter is equal to ____________ centimeters.
My foot is about ____________ centimeters long.
I can measure metric lengths with a ____________ or a ____________.
Answer:
A meter is equal to 100 centimeters.
My foot is about 30 centimeters long.
I can measure metric lengths with a centimeters or a meter.