Lemma

Arithmetic · Chapter 4 of 14

Integers

0 curated · 318 from open sources · 1.5 million generated

Before you startAI-drafted · not yet reviewed by an editor

To add integers, first check their signs. When the signs match, add their absolute values and keep that sign. When the signs differ, subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value. The absolute value of a number is its distance from zero, written , and is never negative. For example, and . Always evaluate expressions inside parentheses before multiplying or adding. The phrase “the sum of” indicates addition.

Practice

1.5 million

Endless problems made on demand, each with an exactly computed answer. Every click is a new one.

From open sources

318

Complete problems only, with worked solutions first. Show everything

#TitleDifficulty
Page 1 of 7Next →