Or download our app "Guided Lessons by Education.com" on your device's app store.
The numbers are missing in each fact family rectangle. Kids add, subtract, or use maths facts they have committed to memory to fill in the missing numbers. In completing this worksheet, kids show that they understand the inverse relationship between addition and subtraction (for example, an opposite number sentence for 5 + 4 = 9 is 9 − 4 = 5).
No standards associated with this content.
Which set of standards are you looking for?