McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key

All the solutions provided in McGraw Hill My Math Grade 4 Answer Key PDF Chapter 7 Review will give you a clear idea of the concepts.

McGraw-Hill My Math Grade 4 Chapter 7 Review Answer Key

Vocabulary Check

Write the letter of the definition next to the correct word.
McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key 1
McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key 2
Answer:
McGraw-Hill-My-Math-Grade-4-Chapter-7-Review-Answer-Key-Vocabulary Check

Explanation:
1. Equation = C.
2. Input = I.
3. Nonnumeric pattern = G.
4. Numeric pattern = B.
5. Operation = E.
6. Output = K.
7. Pattern = F.
8. Rule = A.
9. Sequence = J.
10. Term = H.
11. Unknown = D.

Concept Check
Question 12.
Extend the pattern. Draw the shape on the line.
McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key 3
Answer:
McGraw-Hill-My-Math-Grade-4-Chapter-7-Review-Answer-Key-Concept Check-12

Explanation:
McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key 3
Pattern:
1 heart   2 hearts   3 hearts   4 hearts.

Identify, describe, and extend each pattern.
Question 13.
4, 20, 100, 500,
The pattern is _______________
Answer:
4, 20, 100, 500,
The pattern is 5 times the number.

Explanation:
4 Ă— 5 = 20.
20 Ă— 5 = 100.
100 Ă— 5 = 500.
500 Ă— 5 = 2,500.
2500 Ă— 5 = 12,500.

Question 14.
44, 22, 20, 10, 8,
The pattern is _______________
Answer:
44, 22, 20, 10, 8,
The pattern is that number divided by 2.

Explanation:
44, 22, 20, 10, 8,
44 Ă· 2 = 22.
20 Ă· 2 = 10.
8 Ă· 2 = 4.
44, 22, 20, 10, 8, 4.

Extend each pattern by four terms. Write an observation about the pattern.
Question 15.
Rule: add 6
Pattern: 3, __________, __________, __________, ___________
Observation: _____________
Answer:
Pattern: 3, 9, 12, 15, 18.
Observation: It is observed the numbers are multiplies of 3.

Explanation:
Rule: add 6
3 + 6 = 9.
9 + 3 = 12.
12 + 3 = 15.
15 + 3 = 18.
Pattern: 3, 9, 12, 15, 18.
It is observed the numbers are multiplies of 3.

Question 16.
Rule: multiply by 2
Pattern: 4, __________, __________, __________, ___________
Observation: _____________
Answer:
Pattern: 4, 8, 16, 24, 48.
Observation: It is observed that the numbers are multiplies of 4.

Explanation:
Rule: multiply by 2
4 Ă— 2 = 8.
8 Ă— 2 = 16.
12 Ă— 2 = 24.
24 Ă— 2 = 48.
Pattern: 4, 8, 16, 24, 48.
It is observed that the numbers are multiplies of 4.

Write an equation that describes the pattern. Then use the equation to find the next two output numbers.
Question 17.
McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key 4
Equation: _______________
Answer:
Equation: j – 4 = k
McGraw-Hill-My-Math-Grade-4-Chapter-7-Review-Answer-Key-Vocabulary Check-17

Explanation:
Equation: j – 4 = k
When j = 45;
k = j – 4
k = 45 – 4
k = 41.
When j = 55;
k = j – 4
k = 55 – 4
k = 51.
When j = 65;
k = j – 4
k = 65 – 4
k = 61.

Question 18.
McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key 5
Equation: _______________
Answer:
Equation: 3 Ă— g = h.
McGraw-Hill-My-Math-Grade-4-Chapter-7-Review-Answer-Key-Vocabulary Check-18

Explanation:
Equation: 3 Ă— g = h.
When g = 3;
h = 3 Ă— g
h = 3 Ă— 3
h = 9.
When g = 4;
h = 3 Ă— g
h = 3 Ă— 4
h = 12.
When g = 5;
h = 3 Ă— g
h = 3 Ă— 5
h = 15.

Find the value of each expression.
Question 19.
7 + 3 Ă— 6 = ______________
Answer:
The value of 7 + 3 Ă— 6 expression = 25.

Explanation:
Expression:
7 + 3 Ă— 6
= 7 + 18
= 25.

Question 20.
(6 – 4) Ă— 9 = _______________
Answer:
The value of (6 – 4) Ă— 9 expression = 18.

Explanation:
Expression:
(6 – 4) Ă— 9
= 2 Ă— 9
= 18.

Find the unknown.
Question 21.
(f + 5) Ă— 3 = g
When f = 4, g = ______________
Answer:
(f + 5) Ă— 3 = g
When f = 4, g = 27.

Explanation:
Equation: (f + 5) Ă— 3 = g
When f = 4,
g = (f + 5) Ă— 3
g = (4 + 5) Ă— 3
g = 9 Ă— 3
g = 27.

Question 22.
(x Ă— 4) + 7 = y
When x = 8, y = _____________
Answer:
(x Ă— 4) + 7 = y
When x = 8, y = 39.

Explanation:
Equation:  (x × 4) + 7 = y
When x = 8,
y = (x Ă— 4) + 7
y = (8 Ă— 4) + 7
y = 32 + 7
y = 39.

Problem Solving
Question 23.
Kenneth displays his picture frames in the pattern shown below. Every other picture is of his friends and the rest are of his family. If the first picture is of his family, what picture will be in the third square frame?
McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key 6
Answer:
His friend picture will be in the third square frame.

Explanation:
Every other picture is of his friends and the rest are of his family.
If the first picture is of his family, what picture will be in the third square frame?
(Rectangle) First picture = his family.
1. (Square) Second picture = his friend.
(Oval) Third picture = his family.
(Rectangle) Fourth picture = his friend.
2. (Square) Fifth picture = his family.
(Oval) Sixth picture = his friend.
(Rectangle) Seventh picture = his family.
3. (Square) Eight picture = his friend.
(Oval) Ninth picture = his family.

Question 24.
The admission for an art museum costs $5 per person. Complete the table to find how much it would cost for 2, 3, 4, 5, and 6 people to visit the museum.
McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key 7
Answer:
Equation:  p × $5 = t.
McGraw-Hill-My-Math-Grade-4-Chapter-7-Review-Answer-Key-Vocabulary Check-24

Explanation:
Cost of person for the admission for an art museum = $5.
Number of persons = p.
Total cost for the admission for an art museum = t.
Equation: Number of persons Ă— Cost of person for the admission for an art museum = Total cost for the admission for an art museum.
p Ă— $5 = t.
When p = 2;
t = p Ă— $5
t = 2 × $5
t = $10.
When p = 3;
t = p Ă— $5
t = 3 Ă— $5
t = $15.
When p = 4;
t = p Ă— $5
t = 4 Ă— $5
t = $20.
When p = 5;
t = p Ă— $5
t = 5 Ă— $5
t = $25.
When p = 6;
t = p Ă— $5
t = 6 Ă— $5
t = $30.

Question 25.
Mrs. Brown’s class can earn 5 minutes of extra recess for each marble she puts in a jar. The class has 15 minutes of recess each morning. Make an input/output table to find how many minutes of recess they will get if they earn 3 marbles.
Answer:
Number of minutes of recess they will get if they earn 3 marbles (k) = 30.

Explanation:
Number of minutes Mrs. Brown’s class can earn of extra recess for each marble she puts in a jar (j)= 5.
Number of minutes the class has of recess each morning (m)= 15.
Number of marbles they earn(e) = 3.
Number of minutes of recess they will get if they earn 3 marbles (k) = (Number of marbles they earn × Number of minutes Mrs. Brown’s class can earn of extra recess for each marble she puts in a jar) + Number of minutes the class has of recess each morning
k = e Ă— j + m
k = 3 Ă— 5 + 15
k = 15 + 15
k = 30 minutes.

Test Practice
Question 26.
Find the value of the expression (5 + 2) Ă— 7.
(A) 14
(B) 19
(C) 21
(D) 49
Answer:
The value of the expression (5 + 2) Ă— 7 = 49.
(D) 49

Explanation:
Expression: (5 + 2) Ă— 7.
= 7 Ă— 7
= 49.

Reflect
Use what you learned about patterns to complete the graphic organizer.
McGraw Hill My Math Grade 4 Chapter 7 Review Answer Key 8
Reflect on the ESSENTIAL QUESTION ? Write your answer below.
Answer:
McGraw-Hill-My-Math-Grade-4-Chapter-7-Review-Answer-Key-Vocabulary Check-Reflect

Explanation:
In Mathematics, a pattern is a repeated arrangement of numbers, shapes, color’s and so on. The Pattern can be related to any type of event or object. If the set of numbers are related to each other in a specific rule, then the rule or manner is called a pattern.
A pattern often using shapes or symbol, is called nonnumeric pattern. a numeric pattern is a sequence of numbers that are created by using a rule.
Pattern helps to easy understand the problem. Sometimes, patterns are also known as a sequence.

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