Number Sense and Place Value
What is the value of the 6 in 864,291?
60,000
Which symbol belongs?
7,502 ____ 7,520
<
Which number is greater?
-7 or -2
-2
Solve:
8 + 6 × 2
20
Estimate:
52 + 29
80
Round 4,682 to the nearest hundred.
4,700
Which symbol belongs?
42.6 ____ 42.60
=
Solve:
5 + (-2)
3
Solve:
7 + 5 × 4
27
Estimate:
298 + 487
800
Put these numbers in order from least to greatest.
654
645
564
546
546, 564, 645, 654
Which is greater?
57,913
57,319
57,913
Solve:
-6 - (-5)
-1
Solve:
(18 + 12) ÷ 6
5
Estimate:
61 × 8
480
Which number is greater?
804,200
804,020
804,200
Order from greatest to least.
325,018
325,180
325,108
325,801
325,801
325,180
325,108
325,018
Order from least to greatest.
-8
4
0
-2
7
-8, -2, 0, 4, 7
Solve:
5 × (14 − 6) + 3
43
A store sold 297 bottles Monday and 404 Tuesday.
Estimate the total.
700
Using the digits 7, 3, 9, 1, and 5, create the largest possible number.
97,531
Explain why 45.70 and 45.7 are equal.
Trailing zeros after the decimal do not change the value.
The temperature is 4°C.
It drops 9°.
What is the new temperature?
-5°C
Solve:
5 × (12 − 4) + 16 ÷ 4
44
A student solved:
12 + 6 × 4
12 + 6 = 18
18 × 4 = 72
Is the student correct? Explain.
No.
Multiplication must come before addition.
6 × 4 = 24
24 + 12 = 36