SuperTeacherTools

1st Grade Math Answer Key

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Subtraction
#1 10-4 6
#2 9-3 6
#3 5-4 1
#4 20-17 3
#5 50-29 21
Addition
#1 4+5 9
#2 8+6 14
#3 9+7 16
#4 25+15 40
#5 100+150 250
Patterns
#1 5, 10, 15, ___, ___, ____ 20. 25. 30
#2 10, 20, 30, ___, ___, ___ 40, 50, 60
#3 A, B, A, B, ___. ___ A, B
#4 33, 43, 53, ___, ___, ____ 63, 73, 83
#5 C, D, E, F, C, ___. ___, ____ D, E, F
Story Problems
#1 Sally had 3 apples and gave 2 to her brother. How many does she have left? 1 apple
#2 Betty had 9 markers and Bob gave her 5 more. How many does she have now? 14 markers
#3 Seth had 5 cookies, Beth had 8 cookies, and John had 2 cookies. How many cookies did they have all together? 16 cookies
#4 Lucy had 9 suckers. She ate 2 and gave 2 more to her sister. How many suckers does she have now? 5 suckers
#5 Jeff had 3 crayons. Her lost 2 but his friend Sally gave him 3 more. How many crayons does Jeff have now? 4 crayons
Time
#1 Half past 5 5:30
#2 Half past 12 12:30
#3 noon 12:00 p.m.
#4 quarter after 3 3:15
#5 quarter till 7 6:45
Final Question
How much money is 2 dimes, 2 nickels, and 5 pennies? 35 cents