Estimations
4th Grade
Decimals
Decimals 2
MISC
100

Estimate the sum or difference Show work:


89.5 + 30.1

120

100
Estimate the sum:

   

27,234 + 14,999


27000 + 15,000 =42,000

100

Add 2.3 + 1.3 + 2.4


SHOW WORK

6

100

Which expression give a sum higher than 

32. 1?


23.2 + 10.21 

24.2 + 9.67

32.0 + 0.001

4.22 + -123.5

24.2 + 9.67

100

What is 9 x 51 using expanded form

9 x 50= 450

9 x 1 = 9


200

Does rounding to the nearest ten or hundred give an estimate that is closer? Like which way rounds closer.

ten!!!!

200

Find the difference

23,400 - 21,567

1,833

200

How many ONE squares do you draw in adding 3.4 + 5.1

8!

200

The melting point of diamond is 5,284 degrees hotter than gold. The melting point of gold is 1948 degrees f.

What's the melting point of diamond?

7232 degrees!

200

What time is the Winter concert

1pm!

300
The ogg'z river is 23.5 miles long. The Boog'z River is 20.01 miles long.  How much longer is the Ogg'z river?

3.49 Miles

300

Write an equation for each comparison sentence:

12 is 8 more than 4

LETS SEEEEE::


Should be a 12 box with a 8 and 4 box below. JA DIG?

300

Toni is in a contest for the best Pizza. His pizza is scored in 9.9 for difficulty and gets a 9.5 for presentation and loses 0.5 in taste. What is his final score?

18.9! (9.9 + 9.5) - 0.5

300

Find the difference. Check your answer

7.6 -3.4

4.2


3.4 + 4.2 = 7.6

300

What was the name of the chapter we are working on in E-Stacks

Las Papayas

400

The height of Ja Tower is 1209 feet and the height of The Dig Building 1302 feet. About how many feet taller is Dig Building than Ja Tower?

1300 - 1200 = 100

400

Write an equation for the comparison sentence:

20 is 2 times as many as 10

10 X 2 = 20

400
Draw 2.3 + 0.9 = 

3.2! Lets SEEEE!!!

400

4th GRADE QUESTION: Find the product using area and square drawings:

6 x 32 


6 x 30

6 x 2

with drawings. 

400

Who won the Broncos Game

LETS RIDE!!!

500

Estimate... JK.     Draw 1.4 + 0.7

LETS SEEEEEEE

500

Your piano teacher wants you to practice playing the piano 160 minutes this month. So FARRRRRRRR, you have practices 5 minutes each day for 24 days.  Have you reached the goal your teacher set for you?

NO. Got 120 in. Ja dig?

500

Find the sum: 4.33 + 1.06 and determine if it reasonable.

5.39  Estimates to 4 + 1 = 5

500

4th Grade question:

Find the product:

 

6,000 x 3 =

27000

500

What is one element or chemical compound on the cover of your book?

Water, NA, Cl, H, O, Salt