Perform Operations With Decimals - 5th Grade Math
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What is $0.7 imes 0.3$?
What is $0.7 imes 0.3$?
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$0.21$. Multiply: $7 imes 3 = 21$ hundredths.
$0.21$. Multiply: $7 imes 3 = 21$ hundredths.
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What is $6 imes 0.4$?
What is $6 imes 0.4$?
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$2.4$. Multiply: $6 imes 4$ tenths equals $24$ tenths or $2.4$.
$2.4$. Multiply: $6 imes 4$ tenths equals $24$ tenths or $2.4$.
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What is $2.5 imes 1.2$?
What is $2.5 imes 1.2$?
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$3.00$. Multiply: $25 imes 12 = 300$ hundredths.
$3.00$. Multiply: $25 imes 12 = 300$ hundredths.
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What is $3.06 imes 2$?
What is $3.06 imes 2$?
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$6.12$. Multiply each digit: $3.06 imes 2 = 6.12$.
$6.12$. Multiply each digit: $3.06 imes 2 = 6.12$.
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Identify the missing number: $x + 2.35 = 5.00$. What is $x$?
Identify the missing number: $x + 2.35 = 5.00$. What is $x$?
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$2.65$. Subtract from both sides: $5.00 - 2.35 = 2.65$.
$2.65$. Subtract from both sides: $5.00 - 2.35 = 2.65$.
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What is $7.50 - 4.8$ written to the hundredths place?
What is $7.50 - 4.8$ written to the hundredths place?
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$2.70$. Rewrite as $7.50 - 4.80$ to align place values.
$2.70$. Rewrite as $7.50 - 4.80$ to align place values.
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What is $8.00 - 3.67$?
What is $8.00 - 3.67$?
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$4.33$. Align decimals and subtract: $8.00 - 3.67 = 4.33$.
$4.33$. Align decimals and subtract: $8.00 - 3.67 = 4.33$.
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What is $0.9 + 0.08$ written to the hundredths place?
What is $0.9 + 0.08$ written to the hundredths place?
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$0.98$. Add tenths to hundredths: $0.90 + 0.08 = 0.98$.
$0.98$. Add tenths to hundredths: $0.90 + 0.08 = 0.98$.
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What is $3.40 + 2.05$?
What is $3.40 + 2.05$?
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$5.45$. Align decimal points and add: $3.40 + 2.05 = 5.45$.
$5.45$. Align decimal points and add: $3.40 + 2.05 = 5.45$.
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What is $5.2 - 0.35$ written to the hundredths place?
What is $5.2 - 0.35$ written to the hundredths place?
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$4.85$. Rewrite as $5.20 - 0.35$ to align place values.
$4.85$. Rewrite as $5.20 - 0.35$ to align place values.
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What is the value of the digit $6$ in $0.06$?
What is the value of the digit $6$ in $0.06$?
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$0.06$. In hundredths place, the digit represents 6 hundredths.
$0.06$. In hundredths place, the digit represents 6 hundredths.
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What property is shown by $4.3 + 1.2 = 1.2 + 4.3$?
What property is shown by $4.3 + 1.2 = 1.2 + 4.3$?
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Commutative property of addition. Order doesn't matter when adding numbers.
Commutative property of addition. Order doesn't matter when adding numbers.
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What property is shown by $(2.5 + 1.5) + 0.5 = 2.5 + (1.5 + 0.5)$?
What property is shown by $(2.5 + 1.5) + 0.5 = 2.5 + (1.5 + 0.5)$?
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Associative property of addition. Grouping doesn't change the sum.
Associative property of addition. Grouping doesn't change the sum.
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What is $0.56 imes 10$?
What is $0.56 imes 10$?
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$5.6$. Multiplying by $10$ moves decimal one place right.
$5.6$. Multiplying by $10$ moves decimal one place right.
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What is $0.56 imes 100$?
What is $0.56 imes 100$?
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$56$. Multiplying by $100$ moves decimal two places right.
$56$. Multiplying by $100$ moves decimal two places right.
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What is $4.8 imes 0.5$?
What is $4.8 imes 0.5$?
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$2.4$. Half of $4.8$ equals $2.4$.
$2.4$. Half of $4.8$ equals $2.4$.
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What is $0.4 imes 0.2$?
What is $0.4 imes 0.2$?
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$0.08$. Two decimal places total in the product.
$0.08$. Two decimal places total in the product.
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What is $3 imes 0.25$?
What is $3 imes 0.25$?
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$0.75$. Multiply as whole numbers, then place decimal.
$0.75$. Multiply as whole numbers, then place decimal.
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What is the place value of the digit $7$ in $3.47$?
What is the place value of the digit $7$ in $3.47$?
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$7$ is in the hundredths place. Count two places right from the decimal point.
$7$ is in the hundredths place. Count two places right from the decimal point.
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What is $0.06 \times 5$?
What is $0.06 \times 5$?
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$0.30$. $6 \times 5 = 30$, with 2 decimal places total.
$0.30$. $6 \times 5 = 30$, with 2 decimal places total.
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