Add it up!
6 + 3 =
9
Solve. Change the order of the addends and solve again.
3 + 4 =
3 + 4 = 7
4 + 3 = 7
5 + 1 + 5 =
11
Add. Change the order of the addends. Add again. 7 + 3 =
7 + 3 = 10 3 + 7 = 10
8 + 3 =
11
Solve. Change the order of the addends and solve again.
5 + 6 =
5 + 6 = 11
6 + 5 = 11
7 + 3 + 3 =
13
Which shows the same addends in a different order? Choose the correct answer and solve. 8 + 5 = 8 + 5 5 + 7 8 + 4 5 + 8
5 + 8 = 13
Solve. Change the order of the addends and solve again.
2 + 9 =
2 + 9 = 11
9 + 2 = 11
2 + 6 + 8 =
16
Tell the greater addend. Then count on to find the sum. 2 + 9 =
9 is the greater addend. 9, 10, 11 2 + 9 = 11
Solve. Change the order of the addends and solve again.
7 + 8 =
7 + 8 = 15
8 + 7 = 15
Adriel has 7 Halloween books. Oskar has 2 Halloween books. Koushik P. has 6 Halloween books. How many books do they have altogether? Show your work and tell the units.
7 + 2 + 6 = 15 15 Halloween books
Tell the greater addend. Then count on to find the sum.
3 + 8 =
8
8 9 10 11
9 + 6 =
15
9 + 9 =
18
Solve. Change the order of the addends and solve again.
9 + 7 =
9 + 7 = 16
7 + 9 = 16
Ignacio got some lollipops. He got 9 cherry lollipops, 7 lemon lollipops, and 1 grape lollipop. How many lollipops did Ignacio get? Show your work and tell the units.
9 + 7 + 1 = 17 17 lollipops
Solve and show your thinking.
9 + 8 =
17