Standard Algorithm
Solve the equation.
57-23=
34
Draw a model to show this equation:
63-51=
12
Draw a number line to show this equation:
70-40=
30
Hopper has 50 cupcakes. He eats 20 of them. How many cupcakes does Hopper have left?
Solve any way you choose.
30 cupcakes.
Solve the equation.
23+54=
77
Solve the equation.
95-31
64
Draw a model to show this equation:
80-30=
50
Draw a number line to show this equation:
38-15=
23
Ms. Garlick bought 90 pencils. Her student lost 60 of them. How many pencils does Ms. Garlick have left?
Solve any way you choose.
30 pencils.
Create a fact family with these 3 numbers:
5, 7, 12
5+7=12
7+5=12
12-5+7
12-7=5
Solve the equation.
26-18=
8
Draw a model to show this equation:
70-23=
47
Draw a number line to show this equation:
87-36=
51
John had 47 Pokemon cards. He gave away 25 cards to his friend, Sam. How many Pokemon cards does John have left?
Solve any way you choose.
22 Pokemon cards.
Solve the equation.
87+45=
132
Solve the equation.
42-25=
17
Draw a model to show this equation:
41-18=
23
Draw a number line to show this equation:
90-53=
37
There are 92 Second graders at school. Only 58 of them will be at school tomorrow. How many students will not be at school tomorrow?
Solve any way you choose.
34 students.
Solve the equation.
31+28+40=
99
Solve the equation.
86-59=
27
Draw a model to show this equation:
98-49=
49
Draw a number line to show this equation:
40-26=
14
Santa gave 64 presents to the Second grade teachers. They opened 36 of the presents. How many presents do they still have to open?
Solve any way you choose.
28 presents.
Solve the equation.
96+42+10+54=
202