2 X 1 Digit Adding
76 + 2 =
78
741 + 32 =
773
59 + ? = 59
0
How do you ask for help in the classroom?
Raise your hand and wait patiently for help.
Read this number:
654
Six hundred fifty-four
74 + 3 =
77
258 + 20 =
278
? + 1 = 4
3
What does the word inverse mean?
Opposite
Read this number:
6,789
Six thousand, seven hundred eighty-nine
90 + 7 =
97
606 + 91 =
697
? + 94 = 98
4
What is the inverse operation of addition?
Subtraction
Read this number:
79,543
Seventy-nine thousand, five hundred forty-three
62 + 4 =
66
260 + 17 =
277
? - 7 = 8
15
What is the inverse operation of subtraction?
Addition
Read this number:
86,521
Eighty-six thousand, five hundred twenty-one
42 + 6 =
48
383 + 15 =
398
? - 10 = 90
100
Inverse this problem:
5 + 6 = 11
11 - 5 = 6
or
11 - 6 = 5
Read this number:
99,743
Ninety-nine thousand, seven hundred forty-three