McGraw Hill Math

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 3 Lesson 6 Estimating Sums existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 3 Lesson 6 Estimating Sums

Estimate

Estimate each sum. Round each addend to the nearest ten. Then add.

Question 1.

Answer:

53 + 71 = 124.

Explanation:
Nearest ten of:
53 = 50.
71 = 70.
50 + 70 = 120.

Question 2.

Answer:

35 + 92 = 127.

Explanation:
Nearest ten of:
35 = 40.
92 = 90.
40 + 90 = 130.

Question 3.

Answer:

48 + 15 = 63.

Explanation:
Nearest ten of:
48 = 50.
15 = 20.
50 + 20 = 70.

Estimate each sum. Round each addend to the nearest hundred. Then add.

Question 4.

Answer:

232 + 785 = 1,017.

Explanation:
Nearest hundred of:
232 = 200.
785 = 800.
200 + 800 = 1,000.

Question 5.

Answer:

552 + 174 = 726.

Explanation:
Nearest hundred of:
552 = 600.
174 = 200.
600 + 200 = 800.

Question 6.

Answer:

327 + 563 = 890.

Explanation:
Nearest hundred of:
327 = 300.
563 = 600.
300 + 600 = 900.

Estimate each sum. Round each addend. Then add.

Question 7.
Tyrell sold 23 cars in his first month as a car salesman. He sold 15 cars in his second month. He sold 38 cars this month. About how many cars did Tyrell sell in three months?
Answer:
Total number of cars Tyrell sold in three months = 76.

Explanation:
Number of cars Tyrell sold in his first month as a car salesman = 23.
Number of cars Tyrell sold in his second month as a car salesman = 15.
Number of cars Tyrell sold in this month as a car salesman = 38.
Total number of cars Tyrell sold in three months = Number of cars Tyrell sold in his first month as a car salesman + Number of cars Tyrell sold in his second month as a car salesman + Number of cars Tyrell sold in this month as a car salesman
= 23 + 15 + 38
= 38 + 38
= 76.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 3 Lesson 7 Subtracting Two-Digit Numbers existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 3 Lesson 7 Subtracting Two-Digit Numbers

Subtract

Subtract to find the difference.

Question 1.

Answer:

Explanation:
Difference:
36 – 22 = 14.

Question 2.

Answer:

Explanation:
Difference:
59 – 16 = 43.

Question 3.

Answer:

Explanation:
Difference:
68 – 31 = 37.

Question 4.

Answer:

Explanation:
Difference:
42 – 21 = 21.

Question 5.

Answer:

Explanation:
Difference:
84 – 52 = 32.

Question 6.

Answer:

Explanation:
Difference:
99 – 54 = 45.

Question 7.

Answer:

Explanation:
75 – 63 = 12.

Question 8.

Answer:

Explanation:
Difference:
50 – 20 = 30.

Question 9.
How many more books did Hasan read than David?

Answer:
11 more Hasan read than David.

Explanation:
Number of books David read = 14.
Number of books Anita read = 36.
Number of books Hasan read = 25.
Difference between David and Hasan:
Number of books Hasan read – Number of books David read
= 25 – 14
= 11.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 3 Lesson 8 Subtracting Two-Digit Numbers with Regrouping existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 3 Lesson 8 Subtracting Two-Digit Numbers with Regrouping

Subtract

Subtract to find the difference.

Question 1.

Answer:

Explanation:
Difference between:
42 – 15 = 27.

Question 2.

Answer:

Explanation:
Difference between:
56 – 38 = 18.

Question 3.

Answer:

Explanation:
Difference between:
35 – 19 = 16.

Question 4.

Answer:

Explanation:
Difference between:
63 – 28 = 35.

Question 5.

Answer:

Explanation:
Difference between:
82 – 33 = 49.

Question 6.

Answer:

Explanation:
Difference between:
74 – 18 = 56.

Question 7.

Answer:

Explanation:
Difference between:
96 – 59 = 37.

Question 8.

Answer:

Explanation:
Difference between:
60 – 31 = 29.

Question 9.

Answer:

Explanation:
Difference between:
95 – 47 = 48.

Question 10.

Answer:

Explanation:
Difference between:
41 – 28 = 13.

Question 11.

Answer:

Explanation:
Difference between:
84 – 59 = 25.

Question 12.

Answer:

Explanation:
Difference between:
32 – 18 = 14.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 3 Lesson 9 Subtracting Three-Digit Numbers existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 3 Lesson 9 Subtracting Three-Digit Numbers

Subtract
Subtract. Write the difference.
Question 1.

Answer:

Explanation:
Difference between:
355 – 214 = 141.

Question 2.

Answer:

Explanation:
Difference between:
698 – 326 = 372.

Question 3.

Answer:

Explanation:
Difference between:
843 – 642 = 201.

Question 4.

Answer:

Explanation:
Difference between:
457 – 135 = 322.

Question 5.
Sassy’s sold 187 pairs of shoes on Saturday and 154 pairs on Sunday. How many more pairs of shoes did Sassy’s sell on Saturday than on Sunday?
Answer:
33 more pairs of shoes Sassy’s sell on Saturday than on Sunday.

Explanation:
Number of pairs of shoes Sassy’s sold  on Saturday = 187.
Number of pairs of shoes Sassy’s sold  on Sunday = 154.
Difference:
Number of pairs of shoes Sassy’s sold  on Saturday – Number of pairs of shoes Sassy’s sold  on Sunday
= 187 – 154
= 33.

Question 6.
It is 556 miles from Houston to Atlanta. Shelly drove 246 miles today. How many miles does she need to drive tomorrow to reach Atlanta?
Answer:
Number of miles she need to drive tomorrow to reach Atlanta = 310.

Explanation:
Number of miles from Houston to Atlanta = 556.
Number of miles shelly drove today = 246.
Number of miles she need to drive tomorrow to reach Atlanta = Number of miles from Houston to Atlanta – Number of miles shelly drove today
= 556 – 246
= 310.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 3 Lesson 10 Subtracting Three-Digit Numbers with Regrouping existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 3 Lesson 10 Subtracting Three-Digit Numbers with Regrouping

subtract

subtract to find the difference.

Question 1.

Answer:

Explanation:
Difference between:
612 – 483 = 129.

Question 2.

Answer:

Explanation:
Difference between:
543 – 457 = 86.

Question 3.

Answer:

Explanation:
Difference between:
386 – 187 = 199.

Question 4.

Answer:

Explanation:
Difference between:
721 – 144 = 577.

Question 5.

Answer:

Explanation:
Difference between:
865 – 477 = 388.

Question 6.

Answer:

Explanation:
Difference between:
436 – 368 = 68.

Question 7.

Answer:

Explanation:
Difference between:
940 – 543 = 397.

Question 8.

Answer:

Explanation:
Difference between:
644 – 366 = 278.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 3 Lesson 2 Adding Two-Digit Numbers with Regrouping existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 3 Lesson 2 Adding Two-Digit Numbers with Regrouping

Add

Write the sum.

Question 1.

Answer:

Explanation:
Sum of:
15 + 58 = 73.

Question 2.

Answer:

Explanation:
Sum of:
71 + 19 = 90.

Question 3.

Answer:

Explanation:
Sum of:
16 + 89 = 105.

Question 4.

Answer:

Explanation:
Sum of:
36 + 28 = 64.

Question 5.

Answer:

Explanation:
Sum of:
99 + 31 = 130.

Question 6.

Answer:

Explanation:
Sum of;
26 + 94 = 120.

Question 7.

Answer:

Explanation:
Sum of:
38 + 46 = 84.

Question 8.

Answer:

Explanation:
Sum of:
25 + 16 = 41.

Que 9.
How many apples did Kay and Jenny pick in all?

Answer:
Total number of apples Kay and Jenny picked = 73.

Explanation:
Number of apples Jenny picked = 38.
Number of apples Matthew picked = 42.
Number of apples Kay picked = 35.
Total number of apples Kay and Jenny picked = Number of apples Kay picked + Number of apples Jenny picked
= 35 + 38
= 73.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 4 Lesson 7 Multiplying in Any Order existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 4 Lesson 7 Multiplying in Any Order

Solve

Multiply.

Question 1.

Answer:

Explanation:
Product of:
2 × 9 = 18.
9 × 2 = 18.

Question 2.

Answer:

Explanation:
Product of 4 and 6:
4 × 6 = 24.
6 × 4 = 24.

Question 3.

Answer:

Explanation:
Product of:
1 × 7 = 7.
7 × 1 = 7.

Question 4.
4 × 9 = ________
9 × 4 = ________
Answer:
4 × 9 = 36.
9 × 4 = 36.

Explanation:
Product of:
4 × 9 = 36.
9 × 4 = 36.

Question 5.
2 × 8 = ___
8 × 2 = ________
Answer:
2 × 8 = 16.
8 × 2 = 16.

Explanation:
Product of:
2 × 8 = 16.
8 × 2 = 16.

Question 6.
4 × 5 = ___
5 × 4 = ___
Answer:
4 × 5 = 20.
5 × 4 = 20.

Explanation:
Product of:
4 × 5 = 20.
5 × 4 = 20.

Question 7.

Diego uses 4 × 5 to find the total number of marbles. Sarah uses 5 × 4. Will they get the same product? Why or why not?
Answer:
They will get same answer because 5 × 4 = 20 or 4 × 5 = 20.

Explanation:
Number of marbles of rows = 4.
Number of marbles of columns = 5.
Number of marbles = Number of marbles of rows × Number of marbles of columns
= 4 × 5
= 20.
Number of marbles = Number of marbles of columns  × Number of marbles of rows
= 5 × 4
= 20.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 4 Lesson 6 Multiplying by 0 and 1 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 4 Lesson 6 Multiplying by 0 and 1

solve

Multiply.

Question 1.

Answer:

Explanation:
Product of 9 and 1:
9 × 1 = 9.

Question 2.

Answer:

Explanation:
Product of 2 and 0:
2 × 0 = 0.

Question 3.

Answer:

Explanation:
Product of 1 and 0:
1 × 0 = 0.

Question 4.

Answer:

Explanation:
Product of 5 and 1:
5 × 1 = 5.

Question 5.

Answer:

Explanation:
Product of 3 and 0:
3 × 0 = 0.

Question 6.

Answer:

Explanation:
Product of 4 and 1:
4 × 1 = 4.

Question 7.

Answer:

Explanation:
Product of 9 and 0:
9 × 0 = 0.

Question 8.

Answer:

Explanation:
Product of 1 and 1:
1 × 1 = 1.

Question 9.
There are 8 nests. There is I bird in each nest. There are 0 eggs in each nest. How many birds are there in all? How many eggs?
________ × ________ = ________ birds
______ × ______ = ____ eggs
Answer:
Number of eggs in all = 0.
Number of birds in all = 8.

Explanation:
Number of nests = 8.
Number of birds in each nest = 1.
Number of eggs in each nest = 0.
Number of eggs in all = Number of nests × Number of eggs in each nest
= 8 × 0
= 0.
Number of birds in all = Number of nests × Number of birds in each nest
= 8 × 1
= 8.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 4 Lesson 5 Multiplying by 5 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 4 Lesson 5 Multiplying by 5

solve

Multiply. Skip count to help find the product.

Question 1.
9 × 5 = 45
Answer:
9 × 5 = 45.

Explanation:
Product of 9 and 5:
9 × 5 = 45.

Question 2.
7 × 5 = ___
Answer:
7 × 5 = 35.

Explanation:
Product of 7 and 5:
7 × 5 = 35.

Question 3.
2 × 5 = ___
Answer:
2 × 5 = 10.

Explanation:
Product of 2 and 5:
2 × 5 = 10.

Question 4.

Answer:

Explanation:
Product of 6 and 5:
6 × 5 = 30.

Question 5.

Answer:

Explanation:
Product of 3 and 5:
3 × 5 = 15.

Question 6.

Answer:

Explanation:
Product of 8 and 5:
8 × 5 = 40.

Question 7.

Answer:

Explanation:
Product of 4 and 5:
4 × 5 = 20.

Question 8.

Answer:

Explanation:
Product of 5 and 5:
5 × 5 = 25.

Question 9.

Answer:

Explanation:
Product of 1 and 5:
1 × 5 = 5.

Question 10.
Elena finds 6 sea stars. Each sea star has 5 arms. How many arms do all the sea stars have?
________ × ________ = ________ arms
Answer:
Number of arms all the sea stars have = 30.

Explanation:
Number of sea stars Elena finds = 6.
Number of arms each sea star has = 5.
Number of arms all the sea stars have = Number of sea stars Elena finds × Number of arms each sea star has
= 6 × 5
= 30.

Excel in your academics by accessing McGraw Hill Math Grade 3 Answer Key PDF Chapter 4 Lesson 4 Multiplying by 4 existing for free of cost.

McGraw-Hill Math Grade 3 Answer Key Chapter 4 Lesson 4 Multiplying by 4

Solve

Find the product.

Question 1.
4 × 4 = 16
Answer:
4 × 4 = 16.

Explanation:
Product of 4 and 4:
4 × 4 = 16.

Question 2.
8 × 4 = ___
Answer:
8 × 4 = 32.

Explanation:
Product of 8 and 4:
8 × 4 = 32.

Question 3.
5 × 4 = ___
Answer:
5 × 4 = 20.

Explanation:
Product of 5 and 4:
5 × 4 = 20.

Question 4.

Answer:

Explanation:
Product of 7 and 4:
7 × 4 = 28.

Question 5.

Answer:

Explanation:
Product of 3 and 4:
3 × 4 = 12.

Question 6.

Answer:

Explanation:
Product of 6 and 4:
6 × 4 = 24.

Question 7.

Answer:

Explanation:
Product of 9 and 4:
9 × 4 = 36.

Question 8.
Write the multiplication sentence that shows how to find the number of shells.

Answer:
Number of shells = 12.

Explanation:
Number of shells in rows =  3.
Number of shells in columns = 4.
Number of shells = Number of shells in rows × Number of shells in columns
= 3 × 4
= 12.