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