Spectrum Math Grade 2 Chapter 6 Pretest Answer Key

Go through the Spectrum Math Grade 2 Answer Key Chapter 6 Pretest and get the proper assistance needed during your homework.

Spectrum Math Grade 2 Chapter 6 Pretest Answers Key

Check What You Know

Estimate the length of each object. Then, use a ruler to measure each object in inches and centimeters.
Spectrum Math Grade 2 Chapter 6 Pretest Answer Key 1
Which object is longer?
pencil
paper clip
Is the pencil made up of more centimeters or inches?
Which is longer—a centimeter or an inch?
Answer:
Step 1: Place the pencil beside the ruler, starting from point 0 on it.
Step 2: Look at the endpoint and mark the value.
Step 3: The paperclip is 6 cm long when measured using cm ruler and is about 3 inches long.
Now, place the paper clip beside the ruler and measure the length.
The length of paper clip is 2 cm when measured using cm ruler and is about 1 inch long.
Thus, we can say pencil is longer than paper clip.

Create a line plot based on the measurements below.

3 in., 2 in., 3 in., 5 in., 5 in., 3 in., 7 in., 1 in., 4 in., 9 in., 7 in., 10 in.
Spectrum Math Grade 2 Chapter 6 Pretest Answer Key 2
Answer:
The horizontal line represents the measurements in inches.
The count for 1 in., 4 in., 7 in., 9 in. and 10 in. are one, so mark one point on each.
The count for 2 in. and 5 in. are two, so mark two points on each.
The count for 3 in. is three, so mark 3 points on it.
Spectrum-Math-Grade-2-Chapter-6-Pretest-Answer-Key-2

Write the time shown.
Spectrum Math Grade 2 Chapter 6 Pretest Answer Key 3
Answer:
The short hand tells the hour. It is on the 2.
The long hand tells the minutes.  It is on 6, meaning it is at 30 mins.
Therefore, the time will be half past 2 or 02:30

In the above clock, the hour side says 7 and the min clock shows 00.
Therefore, the time will be 7’o clock or 07:00

The short hand tells the hour. It is on the 5.
The long hand tells the minutes.  It is on 9, meaning it is at 45 mins.
Therefore, the time will be 05:45.

Favorite Ice Cream Flavors
Spectrum Math Grade 2 Chapter 6 Pretest Answer Key 4

Which flavor did the most people pick?
Answer:
In the above pictograph, each icecream resembles to one person.
Most of the people choose cookie dough flavor.

How many people chose chocolate?
Answer:
There are 7 icecreams for the chocolate flavor which resembles 7 people.
Thus, we can say that 7 people chose chocolate.

How many people chose either vanilla or chocolate?
Answer:
Number of people who chose vanilla = 5
Number of people who chose chocolate = 7
Therefore, the number of people who chose either vanilla or chocolate = 5+7 = 12

Use the number line to add or subtract.

50 + 25 = _____________
Spectrum Math Grade 2 Chapter 6 Pretest Answer Key 5
Answer:
Addition means moving forward or moving to the right.
The bigger number is 50, so start from 50 and move 25 times towards the right or in forward direction.
Thus, the sum will be 75.
Spectrum-Math-Grade-2-Chapter-6-Pretest-Answer-Key-5

93 – 33 = ______________
Spectrum Math Grade 2 Chapter 6 Pretest Answer Key 5
Answer:
Subtraction means moving backwards or moving to the left.
The bigger number is 93 and the smaller number of 33.
To subtract 33 from 93, move 33 points backward from 93.
Spectrum Math Grade 2 Chapter 6 Pretest Answers Key img_1

Solve each problem.

Krystal’s jump rope measures 98 inches. Zack’s jump rope measures 95 inches. How much longer is Krystal’s jump rope than Zack’s?
Answer:
Given that Krystal’s jump rope measures 98 inches and Zack’s jump rope measures 95 inches.
98-95=3
Thus, Krystal’s jump rope is 3 inches longer than Zack’s jump rope.

Amber has 1 nickel. Justin has 7 pennies. How much money do they have altogether?
Answer:
Given that Amber has 1 nickel. Justin has 7 pennies.
1 penny equals to 1 cent.
1 nickle equals to 5 cents.
1 nickel and 7 pennies will be 1×5 +7×1 = 5+7 = 12
Therefore, altogether they will have 12 cents.

Britney gets a haircut and has 5 inches cut off. Delaney gets a haircut and has 7 inches cut off. How much total hair did the girls have cut off?
Answer:
Given that Britney gets a haircut and has 5 inches cut off. Delaney gets a haircut and has 7 inches cut off.
The total length they got cut off will be 5+7=12 inches.

Charlotte had $4.05. She gave Abbie $2.00. How much money does Charlotte have left?
Answer:
Given that Charlotte had $4.05 and she gave Abbie $2.00.
To get the balance amount, subtract the amount she gave from the total amount.
4.05-2.00 = 2.05
After giving to Abbie, she will be left with $2.05

Anton is 60 inches tall. Abigail is 51 inches tall. How many inches taller is Anton than Abigail?
Answer:
Given that Anton is 60 inches tall and Abigail is 51 inches tall.
Subtract Abigail’s height from Anton’s.
60-51=9
Anton is 9 inches taller than Abigail.

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