2-Digit Addition and Subtraction
89 - 23
66
112 + 100
212
What is a polygon?
Ella has 58 stickers. James has 9 fewer stickers than Ella. James gives 5 of his stickers to his brother. How many stickers does James have now?
44 stickers
Which is the odd number?
A 3
B 2
C 12
D 26
90 - 76
14
125 + 425
550
arranging items by columns and rows
What is an array?
James has 65 baseball cards and
18 football cards. How many cards
does James have?
83 cards
Find 62 - 15. Which is the difference?
47
54 + 54
108
756 - 215
541
a line that divides a figure into mirror images or equal halves
What is a line symmetry?
Dean draws a polygon with 3 sides and 3 angles. What shape does he draw?
What is a triangle?
Which is five hundred four in expanded form?
500 + 4
20 + 70
90
500 - 199
301
the definition of plot in math
What is to put a number on a number line?
When Kaylie was younger, she was 42 inches tall. Now she is 51 inches tall. How many inches did Kaylie grow?
9 in
Brendan draws a polygon. It has fewer than 6 angles and more sides than a rectangle. Which shape does Brendan draw?
What is a pentagon?
56 + 38
94
902 + 369
1,271
measuring the outside lines or the sides of a figure
What is perimeter?
What is the perimeter of the drawing that is a 22 in by 14 in rectangle?
72 in
Which equations are true? Choose all that apply.
A 32 + 19 = 31 + 20
B 57 - 35 = 22
C 43 + 20 = 73
D 45 + 19 = 65 - 20
E 48 - 10 = 58 - 201.
A, B, and D