Go through the Math in Focus Grade 3 Workbook Answer Key Chapter 3 Practice 3 Addition with Regrouping in Ones, Tens, and Hundreds to finish your assignments.

## Math in Focus Grade 3 Chapter 3 Practice 3 Answer Key Addition with Regrouping in Ones, Tens, and Hundreds

**Follow the steps to add. Fill in the blanks.**

Question 1.

Add the ones and regroup the ones.

2 ones + 9 ones

= ___ ones

= ___ tens ___ ones

Add the tens and regroup the tens.

1 ten + 3 ten + 8 tens

= ___ tens

= ___ hundred ___ tens

Add the hundreds and regroup the hundreds.

1 hundred + 5 hundreds + 9 hundreds

= ___ hundreds

= ___ thousand ___ hundreds

Add the thousands

1 thousand + 5 thousands + 2 thousands

= ___ thousands

Answer:

5,532 + 2,989 = 8,521.

Explanation:

Add the ones and regroup the ones.

2 ones + 9 ones

= 11 ones

= 1 tens 1 ones.

Add the tens and regroup the tens.

1 ten + 3 ten + 8 tens

= 12 tens

= 1 hundred 2 tens.

Add the hundreds and regroup the hundreds.

1 hundred + 5 hundreds + 9 hundreds

= 15 hundreds

= 1 thousand 5 hundreds.

Add the thousands

1 thousand + 5 thousands + 2 thousands

= 8 thousands.

**Add.**

Example

Question 2.

Answer:

Explanation:

215 + 796 = 1,011.

Question 3.

Answer:

Explanation:

1,063 + 429 = 1,492.

Question 4.

Answer:

Explanation:

1,198 + 622 = 1,820.

Question 5.

Answer:

Explanation:

3,329 + 1,597 = 4,926.

Question 6.

Answer:

Explanation:

6,258 + 2,937 = 9,195.

Question 7.

Answer:

Explanation:

1,406 + 86 = 1,492.

Question 8.

Answer:

Explanation:

3,674 + 1,667 = 5,341.

Question 9.

Answer:

Explanation:

657 + 943 = 1,600.

Question 10.

Answer:

Explanation:

6,435 + 2,689 = 9,124.

**Fill in the blank.
**Question 11.

Christopher Columbus landed on an island ¡n the Caribbean in _____

(Hint: The value appears twice on this page.)

Answer:

Christopher Columbus landed on an island ¡n the Caribbean in 1,492.

Explanation:

**Solve.
**Example

A baker makes 3,452 bagels in the morning.

He makes another 759 bagels in the afternoon.

How many bagels does he make in all?

3,452 + 759 = 4,211

The baker makes

__4,211__bagels in all.

Question 12.

A grocer sells 6,835 apples and 2,795 oranges. How many pieces of fruit does she sell in all?

She sells ___ pieces of fruit in all.

Answer:

She sells 9,630 pieces of fruit in all.

Explanation:

Number of apples a grocer sells = 6,835.

Number of oranges a grocer sells = 2,795.

Total number of pieces of fruit she sells in all = Number of apples a grocer sells + Number of oranges a grocer sells

= 6,835 + 2,795

= 9,630.

**Solve.
**Question 13.

Molly’s bakery sells 5,268 muffins. Then Molly has 1,952 muffins left. How many muffins does she have at first?

Molly has ___ muffins at first.

Answer:

Molly has 3,316 muffins at first.

Explanation:

Number of muffins Molly’s bakery sells = 5,268.

Number of muffins Molly has left = 1,952.

Number of muffins she have at first = Number of muffins Molly’s bakery sells – Number of muffins Molly has left

= 5,268 – 1,952

= 3,316.

Question 14.

Mr. Sanchez has 2,156 gold coins and 3,152 silver coins. How many coins does he have in all?

Mr. Sanchez has __ coins in all.

Answer:

Mr. Sanchez has 5,308 coins in all.

Explanation:

Number of gold coins Mr. Sanchez has = 2,156.

Number of silver coins Mr. Sanchez has = 3,152.

Total number of coins he have in all = Number of gold coins Mr. Sanchez has + Number of silver coins Mr. Sanchez has

= 2,156 + 3,152

= 5,308.