UPPER BOUNDS & LOWER BOUNDS

The number 43.4 has been rounded to the nearest tenth. Find its lower and upper bounds.

• 42 ≤ 43 < 44

• 43.3 ≤ 43.4 < 43.4

• 43.35  ≤ 43.4  < 43.45

Tags

CCSS.5.NBT.A.4

The number 60 has been rounded to 1 significant figure. Find its lower and upper bounds.

• 55< 60 < 65

• 55.25 ≤ 60 < 65.25

• 55  ≤ 60  < 65

Tags

CCSS.7.EE.B.3

What is the upper bound and lower bound of 390 grams, measured to the nearest 10 grams?

• 395 and 385

• 390.5 and 389.5

• 400 and 300

• 400 and 350

Tags

CCSS.7.EE.B.3

The following number has been rounded to 1 significant figure.

8000

Find the lower bound...

• 8500

• 7500

• 8490

• 7490

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

The following number has been rounded to the nearest 5 metres.

125m

Find the upper bound...

• 125.5m

• 127.5m

• 122.5m

• 125.05m

Tags

CCSS.7.EE.B.3

The length and width of a field have been measured as 78m and 35m to the nearest metre. Find the upper bound of fencing needed to surround the field.

• 27

• 228

• 226.5

• 228.5

Tags

CCSS.7.EE.B.3

The sides of the rectangle are measured to the nearest cm. What is the largest area of the rectangle?

• 15 cm²

• 19.3 cm

• 19.25 cm²

• 11.25 cm²

If  $A\ =\ \frac{B}{C}$   what is the maximum value of A, if B is 100m correct to the nearest 5 m and C is 10 m correct to the nearest meter? 

(Give your final answer in 2 decimal places)

A metal rod has a length of 2 cm to the nearest cm.

What is the greatest possible length of the rod?

Tags

CCSS.7.EE.B.3

Write down the lower bound of 60kg rounded to the nearest kg.

• 59

• 55

• 59.5

• 60.5

Tags

CCSS.5.NBT.A.4