Rounding Decimals
Round 5.63 to 1 decimal place
5.6
Which number is greater?
-6 or 2
2
5 + (-3)
2
4 × (-3)
-12
What is 6²?
36
Write 4 × 4 × 4 in index notation
4³
Chicken must be kept below –2°C.
The freezer is –3°C.
Is the chicken safely frozen?
Yes
Round 8.278 to 2 decimal places
8.28
Which number is smaller?
-9 or -3
-9
-7 + 4
-3
-5 × (-2)
10
What is √49?
7
Write 2⁴ in expanded form
2 × 2 × 2 × 2
Ice cream must be kept below –5°C.
The freezer is –4°C.
Is it safe?
No
Round 3.949 to 1 decimal place
3.9
Place in order from smallest to largest:
3, -5, 0, -2
-5, -2, 0, 3
9 − (-5)
14
-18 ÷ 3
-6
What is 9²?
81
Calculate 5²
25
Frozen vegetables must be kept below –4°C.
The freezer is –6°C.
Are they safely frozen?
Yes
Round 6.505 to 2 decimal places
6.51
Which number is greater?
-4 or -7
-4
-6 − 3
-9
16 ÷ (-4)
-4
Between which two numbers does √60 lie?
7 and 8
How many times is 6 multiplied by itself in 6⁴?
4 times
Frozen berries must be kept below –7°C.
The freezer is –5°C.
Are they safely frozen?
No
Round 12.994 to 2 decimal places
12.99
Which number is closest to zero?
-8, -2, 5
-2
The temperature was 3°C and dropped 7°C overnight.
What is the new temperature?
-4°C
Calculate:
(-3 x 6) ÷ (-2)
9
Which number is a perfect square?
45, 64, 70
64
Calculate 3³
27
Chicken must be stored below –3°C and ice cream below –6°C.
The freezer is –7°C.
Which foods are safely frozen?
Both Chicken and Ice Cream