Step 2 / 4
Split 10
★★★Not the suggested order10 splits into 1 and 9, 2 and 8, 3 and 7, 4 and 6, 5 and 5.
Number Forest · Learn first
Example
10 is 5 and how many more?
10
+
?
Answer: 5
Making 10 · Numbers & Operations
Split 5 and 10 into two parts and put them back together: the key skill behind carrying.
10 splits into 1 and 9, 2 and 8, 3 and 7, 4 and 6, 5 and 5.
This is step 2 of unit 8, “Making 10”, in Intro: Numbers to 10, adding and subtracting (ages 6). A round has 8 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.