We included HMH Into Math Grade 4 Answer Key PDF Module 12 Review to make students experts in learning maths.

Vocabulary

Write the correct vocabulary word on the line.

Vocabulary
decimal
decimal point
place value

Question 1.
A __________ separates the ones place from the tenths place in a number.
Decimal
Explanation:
A decimal number is a number whose whole number part and the fractional part is separated by a decimal point. The dot in a decimal number is called a decimal point. The digits following the decimal point show a value smaller than one.

Question 2.
A _____________ is a number that has digits to the right of a decimal point.
Place value
Explanation:
Place value is the value of each digit in a number.
For example; 350
The place value of 5 is tens or 5 tens.

Concepts and Skills

Write the decimal in the place-value chart.

Question 3.
A worker unpacks 4$$\frac{3}{10}$$ cases of orange juice cartons. Write the number of cases as a decimal in hundredths.

4$$\frac{3}{10}$$ = 4.3

Explanation:
The decimal place value chart shows the place values of all the digits in a given decimal number.
The digits to the left of the decimal points represent the place values starting from ones, followed by tens, hundreds, thousands, and so on.
He unpacks 4 cartoons and 3 tenths of cartoon.
4 is a whole number in ones place.
3 after decimal is in tenths place.
Question 4.
Jimmy buys $$\frac{40}{100}$$ kilogram of mixed fruit snacks. Write the number of kilograms as a decimal in tenths.

$$\frac{40}{100}$$ = 0.4

Explanation:
Jimmy buys $$\frac{40}{100}$$ kilogram of mixed fruit snacks.
40 hundredths or 0.4 kilograms.

Use Tools Write <, >, or = to compare the decimals. Name the strategies or tools you will use to answer the questions, explain your choices, and then find the answers.

Question 5.
0.7 0.58

Explanation:
To compare greater than or less than for the given decimals 0.07 and 0.58,
compare  the tenths place of the given decimals first.
So, 0.07 > 0.58

Question 6.

0.89 1.11

Explanation:
To compare greater than or less than for the given decimals 0.89 and 1.11,
compare the whole numbers first 0.89 < 1.11

Question 7.
3.5 3.50

Explanation:
To compare greater than or less than for the given decimals 3.5 and 3.50,
compare the whole numbers first, then move to the tenth place if they are same.
So, 3.5 = 3.50

Question 8.
Select all that are equivalent to 4.2.
(A) 4.02
(B) 4.20
(C) 4$$\frac{2}{100}$$
(D) 4$$\frac{20}{100}$$
(E) $$\frac{42}{100}$$
(F) 4$$\frac{20}{10}$$
Option (B) and (D)

Explanation:
4.20 = 4.2
4$$\frac{20}{100}$$ = 4.2
compare the whole numbers and tenths place,
to know whether they are equivalent fractions are not.

Question 9.
Monty drinks $$\frac{4}{10}$$ liter of lemonade. Write the amount of lemonade as a fraction and decimal in hundredths.
0.4 liter
$$\frac{4}{10}$$ = 0.4
Explanation:
To write fraction and decimal in hundredths divided both numerator and denominator by 10.
$$\frac{4}{10}$$ = 0.4

Name the bills and coins that could represent the fraction or mixed number. Then write the decimal dollar amount.

Question 10.
$$\frac{84}{100}$$ of a dollar
$0.84 1 half dollar +3 dimes + 4 penny =$0.84
Explanation:
$$\frac{84}{100}$$ of a dollar
1 half dollar +3 dimes + 4 penny = $0.84 half dollar = 50 cents 1 dime = 10 cents 1 penny = 1 cent 50 + 30 + 4 = 84 = 0.84 Question 11. 3$$\frac{26}{100}$$ of a dollar Answer: 3.26$
$3 dollars +2 dimes + 1 Nickel + 1 penny =$3.26
Explanation:
3$$\frac{26}{100}$$ of a dollar
3 dollars + 2 dimes + 1 nickel + 1 penny = $3.26 1 dollar = 100 cents 1 dime = 10 cents 1 nickel = 5 cents 1 penny = 1 cent 300 + 20 + 5 + 1 = 326 = 3.26 Question 12. Clary and Izzy sell 4 flower arrangements for$5.40 each. They share the money equally. How much money does each girl get?
(A) $21.60 (B)$10.80
(C) $5.40 (D)$2.20
Option (B)
Explanation:
Clary and Izzy sell 4 flower arrangements for $5.40 each. 4 x$5.40 = 4$$\frac{54}{100}$$ = $21.6 They share the money equally =$21.6 ÷ 2 = $10.8 Question 13. Kale buys 6 packages of streamers for$0.85 each. He has $7.00 to spend. How much money does he have after buying the streamers? (A)$6.15
(B) $2.75 (C)$1.90
(D) $0.15 Answer: Option(C) Kale buys 6 packages of streamers for$0.85 each.
6 x $0.85 = 6 x $$\frac{85}{100}$$ =$6.85
He has $7.00 to spend. Total money left after buying the streamers$7.0 – $6.85 =$1.9

Write the number shown by the decimal model as a decimal and as a mixed number or fraction.

Question 14.

decimal: _________
mixed number: _________
decimal: 2.2
mixed number: 2$$\frac{20}{100}$$
Explanation:
There are 2 complete hundredths model and 20th hundred of other model.
mixed number: 2$$\frac{20}{100}$$
decimal: 2.2

Question 15.

decimal: _________
mixed number: _________
mixed number: $$\frac{33}{100}$$
33 of the hundredth model is written in fraction as $$\frac{33}{100}$$