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

## HMH Into Math Grade 4 Module 12 Review Answer Key

**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.

Answer:

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.

Answer:

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.

Answer:

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.

Answer:

\(\frac{40}{100}\) = 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

Answer:

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

Answer:

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

Answer:

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\(\frac{20}{10}\)

Answer:

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.

Answer:

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

Answer:

$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

Answer:

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: _________

Answer:

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: _________

Answer:

decimal: 0.33

mixed number: \(\frac{33}{100}\)

Explanation:

33 of the hundredth model is written in fraction as \(\frac{33}{100}\)

decimal as 0.33