Mental Math
Shapes
Money
Vertical Strategy: Addition Without Regrouping
Vertical Strategy: Addition With Regrouping
100
20+30=
50
100
What shape has 3 sides and 3 angles?
Triangle
100
What is the value of 6 dimes?
60 cents
100
40+19=
59
100
57+34=
91
200
11+73=
84
200
What shape has 5 sides and 5 angles?
Pentagon
200
What is the value of 1 quarter, 3 nickels, and 4 pennies?
44 cents
200
85+12=
97
200
95+49=
144
300
64-27=
37
300
What type of shapes are shown below?
Quadrilaterals
300
How much money is shown below?
60 cents
300
721+36=
757
300
867+94=
961
400
172-80=
92
400
How many sides are in 4 triangles altogether?
12 sides
400
What is the value of the coins below?
$1.14
400
326+140=
466
400
457+375=
832
500
420-214=
206
500
How many sides are in the following two shapes combined? A Hexagon and a Quadrilateral?
6+4=10 sides
500
How can I make 63 cents with the least amount of coins?
2 quarters, 1 dime, and 3 pennies
500
1,061+2,924=
3,985
500
1,239+2,564=
3,803