Envision Math 1st Grade Textbook Answer Key Topic 1.3 10, 11, and 12

10, 11, and 12

Home Connection Your child used a ten-frame and counters to discover that 11 is 1 more than 10 and 12 is 2 more than 10.
Home Activity Use small objects such as pennies or buttons. Have your child arrange the objects so they are in a group of 10 and 1 or 2 more.
Envision Math Grade 1 Answer Key Topic 1.3 10, 11, and 12 1
Question 1.
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Question 2.
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Question 3.
Envision Math Grade 1 Answer Key Topic 1.3 10, 11, and 12 2
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Guided Practice

Write the number that tells how many
Question 1.
Envision Math Grade 1 Answer Key Topic 1.3 10, 11, and 12 4
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Question 2.
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Question 3.
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Question 4.
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Question 5.
Envision Math Grade 1 Answer Key Topic 1.3 10, 11, and 12 8
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Question 6.
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Do you understand?
Question.
How can you use a ten-frame and counters to show 12?
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Independent Practice

Write the number that tells how many.
Question 7.
Envision Math Grade 1 Answer Key Topic 1.3 10, 11, and 12 10
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Question 8.
Envision Math Grade 1 Answer Key Topic 1.3 10, 11, and 12 11
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Question 9.
Envision Math Grade 1 Answer Key Topic 1.3 10, 11, and 12 12
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Question 10.
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Question 11.
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Question 12.
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Number Sense
Question 13.
Draw more counters to make 11. Envision Math Grade 1 Answer Key Topic 1.3 10, 11, and 12 16
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Problem Solving

Solve the problems below.
Question 14.
Gena cooked 10 eggs. Then she cooked 1 more. How many eggs did Gena cook? Draw the counters. Write the number.
Envision Math Grade 1 Answer Key Topic 1.3 10, 11, and 12 17
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Question 15.
Eli made a pie. He used 6 apples. Then he used 6 more. How many apples did Eli use?
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Question 16.
Journal Tell what you know about 12. Use words, numbers, or pictures.
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