Estimation

What is 198.3 rounded to 1 significant figure?

• 198.3
• 198
• 190
• 200

What is 78.5 rounded to one significant figure?

• 79
• 78.5
• 70
• 80

What is 98.907 rounded to 1 significant figure?

• 98.9
• 90
• 100
• 98.91

What is 7000 rounded to 1 significant figure?

• 0.7
• 10000
• 0
• 7000

Tags

CCSS.5.NBT.A.4

What is 395 rounded to 1 significant figure?

• 300
• 3
• 400
• 4

Tags

CCSS.5.NBT.A.4

What is the first significant figure of 0.00345?

• 0
• 3
• 4
• 5

How should you estimate the answer to 38.2 × 6.48?

• 38 × 6
• 40 × 7
• 30 × 6
• 40 × 6

Tags

CCSS.5.NBT.A.4

CCSS.5.NBT.B.7

How should you estimate the answer to 0.022 ÷ 1.377?

• 0 ÷ 1
• 0.02 ÷ 1
• 0.02 ÷ 1.4
• 2 ÷ 1

Tags

CCSS.5.NBT.A.4

CCSS.5.NBT.B.7

Estimate  24 + 67

• 910
• 80
• 95
• 90

Tags

CCSS.5.NBT.B.7

Eric bought 231 cows and Lisa bought 392 cows. Estimate how many cows they bought in total.

• 600 cows
• 1,000 cows
• 200 cows
• 100 cows

Tags

CCSS.5.NBT.A.4