Operations with whole numbers and decimals

89.34 + 98

• 100
• Apples
• 187.34
• 18734

Tags

CCSS.6.NS.B.3

21 + 4.09 =

• 4.30
• 6.19
• 25.09
• 16.91

Tags

CCSS.6.NS.B.3

What is the rule for adding decimals?

• Add first
• Line up the decimals first, then fill in with zeros.
• Move the decimal to the right the total amount of numbers after the decimal.
• Subtract

Tags

CCSS.5.NBT.B.7

What is very important when you add decimals?

• just add them
• make sure the addends have the same place values
• line up the decimal point

Tags

CCSS.5.NBT.B.7

123.7 + 32.45

• 15.615
• 4.482
• 156.15
• 91.25

Tags

CCSS.6.NS.B.3

9.87−0.745

• 9.125
• 10.615
• 2.42
• .242

Tags

CCSS.5.NBT.B.7

8.97 - 2.6 

• 6.37
• 11.57
• 8.71
• 1157

Tags

CCSS.6.NS.B.3

20.8 −9.67 

• 11.13
• 11.75
• 30.47
• 11

Tags

CCSS.5.NBT.B.7

What is 42 x 11?

• 420

• 442

• 462

• 411

Tags

CCSS.4.NBT.B.5

What is the product of 24 x 10?

• 204

• 240

• 200

• 2400

Tags

CCSS.4.NBT.B.5