Arrays
Rounding
Even and odd
Addition and subtraction
100
Make an array that shows 4 rows with 3 columns. How many are there in all?
12
100
Round 41 to the nearest 10.
A. 50
B. 42
C. 51
D. 40
D. 40
100
Which number below is odd?
A. 10
B. 6
C. 7
D. 4
C.7
100
Select the difference
13- _ = 6
A. 8
B. 19
C. 7
D. 12
C.7
200
In a classroom, students were seated in 5 rows. There were 4 students in each row. How many students were there in all?
20
200
Round 76 to the nearest ten.
A. 80
B. 77
C. 70
D. 66
A. 80
200
Which number below is NOT an odd number
A. 15
B. 12
C. 9
D.13
B. 12
200
Find the sum
14+6=
A. 20
B. 8
C. 19
D. 22
A.20
300
Select an equation that represents the total number of objects in the array.
3 rows of 5
A. 3+3+3+3+3=15
B. 5+3=15
C. 3+5=8
D. 5+5+5+5+5=15
A. 3+3+3+3+3=15
300
the number 55 rounds to __ when rounded to the nearest 10
60
300
Select the statement that is NOT true.
A. 8 is even because 4+4=8
B. 11 is odd because 5+5+1=11
C. 12 is even because 6+6=12
D. 10 is odd because 5+5=10
D. 10 is odd because 5+5=10
300
There were 7 ducks in a pond. 8 more ducks join them. How many ducks are there altogether?
15
400
Select an equation that represents the total number of objects in the array.
A. 6+3=18
B. 6+6+6=18
C. 3+6=9
D. 3+3+3=9
B. 6+6+6=18
400
Select two numbers that round to 30 when rounded to the nearest 10
A. 24
B. 27
C. 31
D. 35
E. 40
B. 27
C. 31
400
Which sums are even?
A 3+3=6
B 2+2+1=5
C 5+5+1=11
D 9+9=18
A. 3+3=6
D. 9+9=18
400
William had 19 jellybeans in his lunchbox. At lunch, he ate 13 of them. How many jelly beans does he have left?
6