Name
Practice
2.3
Date
Use Doubles Facts
Find the sum.
Use doubles facts and
doubles-plus-one facts.
12
1.
6+6=
2.
8+8=
3.
5
+
5
ᎏ
5
+
6
ᎏ
4.
9
+
9
ᎏ
10
+
9
ᎏ
5.
7
+
7
ᎏ
7
+
8
ᎏ
6.
3
+
3
ᎏ
3
+
4
ᎏ
6+7=
7+6=
8+9=
9+8=
Write a double.
Use the double to complete the doubles-plus-one fact.
Double
7.
Double-plus-one
+
=8
+
=9
Test Prep
Fill in the
for the correct answer. NH means Not Here.
8. Which double can help you find 8
4+4
5+5
Copyright © Houghton Mifflin Company. All rights reserved.
6+ 6
+ 7?
NH
Use with text pages 31–33.