Upper Bound and Lower Bound

The number 79 has been rounded to the nearest unit. Find its lower and upper bounds

• 78.5  ≤ 79  <79.5

• 78 ≤ 79 <80

• 78.4 ≤ 79 <79.4

Tags

CCSS.7.EE.B.3

The number 1000 has been rounded to the nearest 100. Find its lower and upper bounds

• 950  ≤ 1000  < 1050

• 950 ≤ 1000 < 1050.1

• 950 ≤ 1000 < 1051

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

The number 9000 has been rounded to the nearest 1000. Find its lower and upper bounds.

• 8500 ≤ 9001 < 9500

• 8500  ≤ 9000  < 9500

• 8500.5 ≤ 9001 < 9500.5

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

The number 51.2 has been rounded to the nearest 1 decimal place. Find its lower and upper bound

• 51.1 ≤ 51.2 < 51.2

• 51.15  ≤ 51.2  < 51.25

• 51 ≤ 51 < 51

Tags

CCSS.7.NS.A.1C

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.7.EE.B.3

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

Work out the upper bound and lower bound for 32 cm, measured to the nearest cm

• 32.5 and 31.5

• 31.5 and 32.5

• 35 and 30

• 33 and 31

Tags

CCSS.7.EE.B.3

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

• 385 and 395

• 390.5 and 389.5

• 400 and 380

• 395 and 385

Tags

CCSS.8.EE.A.4

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

• 10.79 $cm^2$   and 9.28 $cm^2$  

• 10.78  $cm^2$  and 9.29  $cm^2$  

• 10.79  $cm^2$   and 9.29  $cm^2$  

• 10.78 $cm^2$   and 9.28  $cm^2$  

Tags

CCSS.6.RP.A.3D

The following number has been rounded to 1 significant figure.

800

Find the lower bound...

• 850

• 750

• 849

• 749

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3