Place Value
What is the value of the digit 7 in 4 728 315?
700 000 (hundred thousand)
List all the factors of 12.
1, 2, 3, 4, 6, 12
8 + 4 x 3
20
What integer represents 8 degrees below zero?
-8
What is the smallest prime number?
2
Write 3 506 042 in expanded form.
3 000 000 + 500 000+ 6000 + 40+2
What are the first five positive multiples of 7?
7, 14, 21, 28, 35
(15 - 7) x 6
48
Which is greater: -3 or -9?
-3
What is the value of the digit 5 in 6 251 904?
50 000 (ten thousand)
What is the value of the digit 6 in 8.00467?
6 ten-thousandths
Is 29 prime or composite? Explain why.
Prime, because it has exactly two factors: 1 and 29.
36 ÷ 6 + 7 x 2
20
Put these integers in order from greatest to least: 4, -6, 0, -2, 7.
7, 4, 0, -2, -6
18 + 24 ÷ 6 x 3
30
Write 0.000038 in words.
38 millionths
What are all of the common factors of 18 and 24?
1. 2, 3, 6
Emma buys 4 packs of pencils with 6 pencils in each pack. She gives 5 pencils to a friend. How many pencils does she have left?
equation is 4 x 6 - 5 =19
Sentence: Emma has 19 pencils left.
The temperature is -5°C. It rises by 9 degrees. What is the new temperature?
The new temperature is 4 degrees.
Find all the common factors of 20 and 30.
1, 2, 5, 10
Put these numbers in order from least to greatest: 0.0045, 0.0009, 0.045, 0.0095.
0.0009, 0.0045, 0.0095, 0.045
What is the first common multiple of 8 and 12?
24
A teacher buys 3 boxes of markers. Each box costs $8. She also buys a teacher desk for $55. How much does she spend altogether?
Equation is 3 x 8 + 55 =79
The teacher spent $79 all together.
An elevator starts on floor 2, travels down 7 floors, then up 4 floors. What floor is it on now?
floor -1
The temperature is -8°C in the morning. By noon, it rises 13 degrees. By evening, it drops 6 degrees. What is the evening temperature?
-1 degree celcius