ADDITIONS AND SUBTRACTIONS UP TO 20

Let's do some operations with numbers up to 20. Practice with additions and subtractions!

Notes

WHAT 10 + 2 EQUALS? DISCOVER HOW TO ADD AND SUBTRACT LARGER NUMBERS.

LET'S LEARN HOW TO USE THE NUMBER GRID!

Table of contents of this lesson: ADDITIONS AND SUBTRACTIONS UP TO 20

Learn FREE with videos and interactive exercises

ADDITIONS

 

LET'S USE THE NUMBER LINE TO FIND OUT WHAT 4 + 5 EQUALS.

ALBERT STARTS AT 5 AND JUMPS 12 TIMES ALONG THE NUMBER LINE. HE IS STANDING ON NUMBER 17. 5 + 12 = 17

FIVE PLUS TWELVE EQUALS SEVENTEEN.

IF OSCAR STARTS AT 14 AND JUMPS 4 TIMES, WHERE IS OSCAR STANDING ON?

SUBTRACTIONS

SUBTRACTIONS