Decimal Operations

What is the first step when multiplying decimals?

• Line up the numbers
• Line up the decimals
• Multiply like normal
• Move the decimal

Tags

TEKS.MATH.5.3E

Once the numbers are lined up in a multiplication problem, how do I know where my decimal is placed in my answer?

• Bring the decimal straight down
• There is no decimal
• Count how many numbers are behind all decimals in the problem
• Move the decimal 2 spaces from the front

Tags

CCSS.6.NS.B.3

12.3 +13.45

• 14.68
• 25.75
• 1.15
• 25.48

Tags

CCSS.6.NS.B.3

7.83 x 1.2

• 9.396
• 93.96
• 7.86
• 2.349

Tags

CCSS.6.NS.B.3

4.32 ÷ 9

• 0.38
• 3.18
• 4.8
• 0.48

Tags

CCSS.5.NBT.B.7

14.56 ÷ 1.3

• 112
• 1.12
• 11.2
• 12

Tags

TEKS.MATH.5.3E

What is the first step when adding and subtracting decimals?

• Line up the numbers
• Line up the decimals
• Add or subtract like normal
• Add in placeholders

Tags

CCSS.5.NBT.B.7

9.6 ÷ 0.8

• 12
• 1.2
• 7.68
• 0.768

Tags

CCSS.5.NBT.B.7

31.8 × 0.04

• 0.1272
• 1.272
• 12.72
• 127.2

Tags

CCSS.6.NS.B.3

345 ÷ 0.03

• 115
• 11.5
• 1150
• 11500

Tags

CCSS.6.NS.B.3