Review: Completing the Next Whole Ten
1. Write the previous and next whole ten. Then, circle the ten that is nearer the given
number.
______, 56, ______
______, 72, ______
______, 94, ______
a.
b.
c.
______, 37, ______
______, 25, ______
______, 31, ______
d.
e.
f.
52 and how many more makes the next ten (60)? We can write 52 + _____ = 60.
You can solve it using a helping problem: 2 and how many more makes ten?
The answer to both problems is the same. It is 8.
2. Complete the next ten. Below, write a helping problem using numbers within 0-10.
17 + _____ = 20
62 + ____ = ______
94 + ____ = ______
a.
b.
c.
7 + _____ = 10
2 + ____ = ______
4 + ____ = ______
3. Complete the next ten. Think of the helping problem that uses numbers within 0-10.
42 + _____ = 50
34 + ____ = _______
66 + ____ = _______
a.
b.
c.
61 + ____ = _______
97 + ____ = _______
83 + ____ = _______
d.
e.
f.
8 9 12 15 10 19 11 6 17
4. Circle the even numbers.
5. Now pick the even numbers from the previous exercise, and write each of them as a
double of some number.
______ = ______ + ______
______ = ______ + ______
a.
b.
______ = ______ + ______
______ = ______ + ______
c.
d.
Sample worksheet from
21
Math Mammoth Add and Subtract 2-A (Blue Series)