Place Value & Number Sense
What is the place value of the digit 7 in 472,981?
(20 seconds)
ten thousands
5 + 3.2 × 2
11.4
Find the next number:
2, 5, 10, 17, 26, ___
37
(Pattern: add 3, 5, 7, 9, next add 11)
Ella has 12 red balloons and 16 blue balloons. She wants to group them into balloon bouquets with the same number of each colour in every group.
What is the greatest number of groups she can make?
4
I am a three-digit number.
My tens digit is four more than my ones digit.
My hundreds digit is three less than my tens digit.
The sum of my digits is 14.
What number am I?
473
What is the smallest 6-digit number you can make using the digits 3, 0, 5, 1, 8, and 2 (each only once)?
102,358
(Note: The smallest 6-digit number can't start with 0.)
30 - 2.5 ÷ 0.2
17.5
Find the next numbers:
3, 6, 18, 72, 360, ___
2160
(Multiply by 2, then 3, then 4, then 5, next multiply by 6)
Two lights blink at different intervals: one blinks every 6 seconds, and the other every 8 seconds.
How many seconds will pass before they blink at the same time again?
24
I am a three-digit number.
My hundreds digit is twice my ones digit.
My tens digit is three less than my hundreds digit.
The sum of my digits is 17.
What number am I?
854
Write Three thousand, twenty-five and seventy-four hundredths in standard form
3,025.74
(12.6 ÷ 3) + (4.5 × 2) − (1.2 × 3)
9.6
Find the next number:
49, 64, 81, 100, ___
121
(49 = 7 * 7, 64 = 8 * 8, ...)
A shuttle bus arrives every 15 minutes, and a train arrives every 20 minutes.
If they both arrive at 12:00 p.m., when will they next arrive at the same time?
1:00 p.m.
My hundreds digit is half my tens digit plus 1.
My ones digit is 2 less than my hundreds digit.
The sum of my digits is 12.
What number am I?
462
Write 201.354 in expanded form
200 + 1 + 0.3 + 0.05 + 0.004
(2.5 + 3.1) × (4 – 1.5)
14
Find the next two numbers:
2, 3, 5, 9, 17, 33, ___, ___
65, 129
(Each term is previous term × 2 – 1:
A teacher has 36 pencils, 60 erasers, and 84 rulers. She wants to create identical supply kits using all the items with no extras left over.
What is the greatest number of kits she can make?
12
I am a three-digit number.
My hundreds digit is half my tens digit plus 2.
My ones digit is 3 less than my hundreds digit.
The sum of my digits is 17.
What number am I?
683
Write 2.06 as a fraction.
103/50
2.4
Find the next number:
8, 12, 18, 27, 40.5, ___
60.75
(Pattern: Multiply by 1.5 each time)
Three buses leave the station at 6:00 a.m.
The first bus returns every 36 minutes,
The second every 48 minutes,
The third every 60 minutes.
At what time will all three buses be at the station together again?
6:00 p.m.
I am a three-digit number.
My hundreds digit is one-third of the sum of my tens and ones digits.
My tens digit is two more than my ones digit.
The sum of my digits is 16.
What number am I?
475