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Adding and Subtracting Tens Within 100: Grade 1 Math Test – PDF Download

    Adding and Subtracting Tens Within 100 – Grade 1 math test

    This grade 1 adding tens test checks adding and subtracting tens within 100 in 45 minutes, with 8 questions for a total of 20 points.

    This test has 8 short questions and is worth 20 points. Students may use blocks or draw pictures. Write each answer on the line next to the problem. It should take about 30 minutes.

    Test information
    • Grade: Grade 1
    • Chapter: Adding and Subtracting Tens Within 100
    • Common Core: 1.NBT.C.4, 1.NBT.C.5, 1.NBT.C.6
    • Time: 30 minutes
    • Total: 20 points (Question 1: 3 pts; Question 2: 3 pts; Question 3: 3 pts; Question 4: 3 pts; Question 5: 2 pts; Question 6: 2 pts; Question 7: 2 pts; Question 8: 2 pts)

    Grade 1 Adding Tens Test: questions 1–5

    Question 1: Add the ones (3 points)

    Add.

    1. \(42 + 5\) (1 point)
    2. \(63 + 4\) (1 point)
    3. \(28 + 7\) (1 point)

    Question 2: Add tens (3 points)

    Add.

    1. \(40 + 30\) (1 point)
    2. \(36 + 20\) (1 point)
    3. \(54 + 40\) (1 point)

    Question 3: 10 more and 10 less (3 points)

    Look at the hundred chart. The number 52 is shaded.

    414243444546474849505152535455565758596061626364656667686970
    Part of a hundred chart.
    1. What is 10 more than 52? (1 point)
    2. What is 10 less than 52? (1 point)
    3. What is 10 more than 79? (1 point)

    Question 4: Subtract tens (3 points)

    Subtract.

    60
    Part a starts with 60.
    1. \(60 – 20\) (1 point)
    2. \(90 – 50\) (1 point)
    3. \(70 – 40\) (1 point)

    Question 5: Read the blocks (2 points)

    The blocks show a number.

    Tens rods and ones squares.
    1. Write the number the blocks show. (1 point)
    2. What is that number plus 30? (1 point)

    Grade 1 Adding Tens Test: questions 6–8

    Question 6: Missing number (2 points)

    Find the missing number.

    1. \(35 + ? = 65\) (1 point)
    2. \(90 – ? = 30\) (1 point)

    Question 7: Baseball cards (2 points)

    Liam has 48 baseball cards. He gets 6 more cards.

    1. Write an addition equation for the story. (1 point)
    2. How many baseball cards does Liam have now? (1 point)

    Question 8: Bakery muffins (2 points)

    A bakery makes 60 muffins. It sells 40 muffins. Then it bakes 30 more muffins. How many muffins does the bakery have now?

    Adding and Subtracting Tens Within 100: Grade 1 test answer key

    How to use this grade 1 adding tens test

    Take this grade 1 adding tens test without notes, then grade it with the test answer key out of 20 points.

    Next step after this grade 1 adding tens test: Adding and Subtracting Tens Within 100 test answer key

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