Students can use the **Spectrum Math Grade 3 Answer Key Chapter 2 Pretest** as a quick guide to resolve any of their doubts.

## Spectrum Math Grade 3 Chapter 2 Pretest Answers Key

**Add.**

Question 1.

a.

Answer:

First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.

b.

Answer:

First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.

c.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

d.

Answer:

First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.

e.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

f.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

Question 2.

a.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

b.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

c.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

d.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

e.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

f.

Answer:

First add the numbers in ones place andÂ then add the numbers in tens place which gives the result as shown below.

Question 3.

a.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

b.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

c.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

d.

Answer:

First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.

e.

Answer:

First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.

f.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

Question 4.

a.

Answer:

First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.

b.

Answer:

First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.

c.

Answer:

First add the numbers in ones place , add the numbers in tens place and then add the number in hundreds place which gives the result as shown below.

d.

Answer:

First add the numbers in ones place , add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

e.

Answer:

First add the numbers in ones place , then add the numbers in tens place and add the number in hundreds place which gives the result as shown below.

f.

Answer:

First add the numbers in ones place and then add the numbers in tens place which gives the result as shown below.

Subtract.

Question 5.

a.

Answer:

When 15 is subtracted from 123 by utilizing the borrowing process the result obtained is 108 as shown below.

b.

Answer:

Subtract 3 from 7 and 2 from then it gives the value 64 as shown below.

c.

Answer:

Subtract 5 from 5 , 3 from 4 and 0(Since there is no number) from 5 then it gives the value 510 as shown below.

d.

Answer:

Subtract 3 from 9 and 6 from 7 then it gives the value 16 as shown below.

e.

Answer:

When 93 is subtracted from 187 by utilizing the borrowing process the result obtained is 94 as shown below.

f.

Answer:

When 143 is subtracted from 782 by utilizing the borrowing process the result obtained is 639 as shown below.

Question 6.

a.

Answer:

Subtract 4 from 8 , 5 from 9 and 4 from 8 then it gives the value 444 as shown below.

b.

Answer:

Subtract 1 from 3 , 2 from 6 and 3 from 7 then it gives the value 442 as shown below.

c.

Answer:

When 133 is subtracted from 981 by utilizing the borrowing process the result obtained is 848 as shown below.

d.

Answer:

Subtract 3 from 5 , 2 from 2 and 1 from 7 then it gives the value 602 as shown below.

e.

Answer:

When 73 is subtracted from 805 by utilizing the borrowing process the result obtained is 732 as shown below.

f.

Answer:

When 80 is subtracted from 120 by utilizing the borrowing process the result obtained is 40 as shown below.

Question 7.

a.

Answer:

Subtract 1 from 6 and 4 from 7 then it gives the value 35 as shown below.

b.

Answer:

Subtract 5 from 7 and 3 from 8 then it gives the value 52 as shown below.

c.

Answer:

Since we cannot subtract 5 from 2 , borrow from 7 then 2 becomes 12 and 7becomes 6 then the result obtained is 37 as shown below.

d.

Answer:

When 92 is subtracted from 153 by utilizing the borrowing process the result obtained isÂ Â as shown below.

e.

Answer:

When 154 is subtracted from 763 by utilizing the borrowing process the result obtained is 609 as shown below.

f.

Answer:

Subtract 0 from 6, 5 from 7 and 4 from 8 then it gives the value 426 as shown below.

Question 8.

a.

Answer:

Subtract 9 from 9, 6 from 7 and 0(since there is no value below the number 8)from 8 then it gives the value 810 as shown below.

b.

Answer:

Subtract 3 from 7 and 4 from 8 then it gives the value 44 as shown below.

c.

Answer:

When 35 is subtracted from 100 by utilizing the borrowing process the result obtained is 75 as shown below.

d.

Answer:

When zero from ones place is subtracted from 0 it gives the result as zero, when 0 in tens place is subtracted from 3 it gives the value as 3 and again when 3 in hundreds place is subtracted from 7 it gives the value as 4.

Finally the resultant vale is 430 as shown below.

e.

Answer:

When 1 from 5,Â 3 from 6 and 2 from 7 then the result obtained is 534 as shown below.

f.

Answer:

When 708 is subtracted from 845 by utilizing the borrowing process the result obtained isÂ Â as shown below.

**Solve each problem.**

Question 9.

Kurt has saved 29 dollars to buy a remote control car. The remote control car that he wants to buy costs 43 dollars. How much more money does he need to save?

Are you to add or subtract? __________

He will need to save __________ more dollars.

Answer:

Cost of remote control car = 43

Number of dollars saved by Kurt = 29

Amount of dollars that Kurt needed to save =?

You need to subtract as shown below

Therefore he need to save 14 dollars.

Question 10.

Latisha sold 36 candy bars on Friday and â€˜45 candy bars on Saturday. How many candy bars did she sell in all?

Are you to add or subtract? __________

Latisha sold ___________ candy bars in all.

Answer:

Number of candy bars sold on Friday = 36

Number of candy bars sold on Saturday = 45

Number of candy bars she sell in all =?

Here you need to add as shown below.

Therefore 81 candy bars are sold totally.

Question 11.

Harry had 57 pennies and 16 dimes. How many coins does he have?

Are you to add or subtract? __________

He has ___________ coins.

Answer:

Basically 1 dime = 10 cent coins

16 dimes = 16 10 cent coins

1 pennie = 1cent

57 pennies = 57 1 cent coins

Here we need to add both the values

Total coins = 57 + 16Â = 73 coins

ThereforeÂ Hary contains 73 coins.

Question 12.

Tawna has 253 pennies. Shown has 146 pennies. How many more pennies does Tawna have than Shown?

Tawna has __________ more pennies than Shawn.

Answer:

Number of pennies that Tawna contain = 253

Number of pennies that Shown contain = 146

Number of pennies that Tawna contain = ?

Here you need to subtract as shown below

Therefore Tawna contain 107 pennies than Shown

Question 13.

The team sold 453 tickets for the game. There were 249 adult tickets sold. How many childrenâ€™s tickets were sold?

The team sold ___________ childrenâ€™s tickets.

Answer:

Number of tickets for the game = 453

Number of adult tickets sold = 249

Number of children’s tickets sold =?

You need to subtract as shown below

ThereforeÂ 204 children’s tickets sold for the game.