Addition and Subtraction
13 + 17 + 20 =
50
What is the expanded form of 591?
500 + 90 + 1
Draw an array for this:
I have a box of markers with 3 rows with 5 markers in each.
x x x x x
x x x x x
x x x x x
What is the name of the 3D shape that has zero straight edges?
sphere
Measure the pencil in inches and centimeters.
about 19 cm
between 7 and 8 in (about 7 1/2)
83 - 16 =
67
Draw base 10 blocks to represent this number:
275
⬜ ⬜
l l l l l l l
▫ ▫ ▫ ▫ ▫
Write a repeated addition problem for this array:
x x x x x x
x x x x x x
x x x x x x
6 + 6 + 6 = 18
3 + 3 + 3 + 3 + 3 + 3 = 18
Name one 3D shape and one 2D shape. Tell us one attribute for each.
😊
Measure the longer side of the index card in inches and centimeters.
between 12 and 13 cm
5 in
48 + 39 =
87
What number is this?
700 + 0 + 5
705
How many rows are in this array?
x x x x
x x x x
2
True or False - you can find a triangle on a pyramid.
True
Measure the paper clip in inches and centimeters.
between 4 and 5 cm
about 2 inches
71 - 19 =
52
Use partial sums to add these numbers in expanded form:
20 + 5
10 + 8
TENS = 30
ONES = 13
TOTAL = 43
Draw an array for this repeated addition number model:
5 + 5 + 5 + 5 + 5 = 25
x x x x x
x x x x x
x x x x x
x x x x x
x x x x x
How many faces does a cube have?
6
Measure the longer side of the eraser in inches and centimeters.
about 3 cm
1 in
11 + 22 + 33
What is the value of the 9 in 980?
900
How many columns are in this array?
x x x x x x
x x x x x x
Name 2 shapes with TWO sets of parallel sides.
square
rectangle
Measure the shorter end of the domino in inches and centimeters.
2 cm
about 1 in