Open the door, take the giraffe out, put him in, close the door
200
Estimate to the nearest whole number.
1.456 + 5.4 =
1.456 > 1
+5.400 > 5
_____________
6
200
Estimate to the tens place
56.43 - 32.12
56.43 --> 60
32.12 -->-30
____
30
200
Estimate to the tenths place.
12.23 x 43.54
12.23---> 12.2
x 43.54--> 43.5
______
530.7
200
Estimate using compatible numbers.
615 / 5.3
615---> 600
5.3----> 5
600/5 = 120
300
All of the animals go to a meeting for the Lion King. One animal doesnt show up. Which animal doesn't come?
The elephant, he's in the refrigerator
300
Estimate to the nearest hundreth
4.345 + 5.678 =
4.345-> 4.35
+5.678-> 5.68
______
10.03
300
Estimate to the hundreths place
89.343 - 32.192
89.343 --> 89.34
- 32.192 -->-32.19
_______
57.15
300
How do you where to place the decimal when you divide?
You count the number of decimals in the factors and apply that to the product.
3.45---> 2 decimals
x1.2 ---> 1 decimal
____
4.140 --> total of 3 decimal places
300
Estimate using compatible numbers.
12.10 / 3.69
What is
12.10--> 12
3.69---> 4
12/4 = 3
400
Why are Teddy Bears never hungry?
Because they are always stuffed.
400
Estimate to the whole number
23.56 + 43.98
23.56 ->24
+43.98 ->44
____
68
400
Where do you place the decimal after you add or subtract?
Straight down!
400
Find the PRODUCT rounded to the tenths place.
12.43 x 12.43