# Kindergarten - Add And Subtract Up To 20

 Grade Level: K Skill: Numbers Topic: Add and Subtract up to 20 Goal: Use concrete object to determine answers to addition and subtraction problems. Skill Description: Know how to add single digit numbers to produce new numbers. Be able to take a smaller single digit number away from a bigger single digit number to produce a new number. Recognize that adding numbers together will generally produce a larger number and subtracting numbers will create smaller numbers.

### Sample Problems

 (1) What will you get if you add 4 plus 5? (2) If you add 4 plus 5 could the answer be 3? Explain. (3) What will you get if you have 7 take away 2? (4) If you have seven take away 2 could your answer be 10? Explain.

 (1)

### Extra Help Problems

 (1) 0+1 = 0+3= 0+9= 0+10= (2) 1+ 2= 1+4= 1+6= 1+10=. (3) 2+1= 2+5= 2+8= 2+ 10= (4) 3+2= 3+3= 3+7= 3+10 (5) 4+1 = 4+3= 4+9= 4+10= (6) 5+ 2= 5+4= 5+6= 5+10=. (7) 6+1= 6+5= 6+8= 6+ 9= (8) 7+2= 7+3= 3+7= 7+4= (9) 8+ 2= 1+8= 8+1= 4+8=. (10) 10-1= 10-3= 10-5= 10-7= (11) 9-2= 9-4= 9-6= 9-8= (12) 8-1= 8-3= 8-5= 8-7= (13) 7-2= 7-4= 7-6= 7-7= (14) 6-1= 6-3= 6-5= 6-6= (15) 5-2= 5-4= 5-5= 5-3= (16) 4-1= 4-3= 4-4= 4-0= (17) 3-2= 3-3= 3-1= 3-0= (18) 2-2= 2-1= 2-0= (19) 1-1= 1-0= 0-0=

 (1) (2) (3)