diff --git a/reasoning_gym/arithmetic/decimal_arithmetic.py b/reasoning_gym/arithmetic/decimal_arithmetic.py
index 60c627cc..93dc0c8a 100644
--- a/reasoning_gym/arithmetic/decimal_arithmetic.py
+++ b/reasoning_gym/arithmetic/decimal_arithmetic.py
@@ -237,7 +237,7 @@ class DecimalArithmeticCurriculum(BaseCurriculum):
         self._define_attributes(
             RangeAttributeDefinition(
                 name="decimal_places",
-                levels=[3, 5, 8, 10],
+                levels=[2, 4, 6, 8],
                 description="Number of decimal places of the numbers in problem",
                 lower_field_name="min_num_decimal_places",
                 upper_field_name="max_num_decimal_places",
@@ -247,7 +247,7 @@ class DecimalArithmeticCurriculum(BaseCurriculum):
                 name="precision",
                 field_name="precision",
                 description="Precision of the Decimal arithmetic operations",
-                levels=[5, 7, 10, 12],
+                levels=[6, 8, 10, 12],
             ),
             RangeAttributeDefinition(
                 name="num_terms",
diff --git a/tests/test_decimal_arithmetic.py b/tests/test_decimal_arithmetic.py
index 5aa41e44..068e1fcc 100644
--- a/tests/test_decimal_arithmetic.py
+++ b/tests/test_decimal_arithmetic.py
@@ -63,25 +63,25 @@ def test_decimal_arithmetic_curriculum():
     base_cfg: DecimalArithmeticConfig = curriculum.generate_configuration(base_value)
     assert base_cfg.seed == 42
     assert base_cfg.size == 200
-    assert base_cfg.precision == 5
-    assert base_cfg.min_num_decimal_places == 3 and base_cfg.max_num_decimal_places == 5
+    assert base_cfg.precision == 6
+    assert base_cfg.min_num_decimal_places == 2 and base_cfg.max_num_decimal_places == 4
 
     # Test incrementing attribute level
     curriculum.increment_attr_level("decimal_places")
     increased_cfg = curriculum.generate_configuration(base_value)
-    assert increased_cfg.min_num_decimal_places == 3 and increased_cfg.max_num_decimal_places == 8
+    assert increased_cfg.min_num_decimal_places == 2 and increased_cfg.max_num_decimal_places == 6
 
     # Test incrementing attribute level again
     curriculum.increment_attr_level("decimal_places")
     further_increased_cfg = curriculum.generate_configuration(base_value)
-    assert further_increased_cfg.min_num_decimal_places == 3 and further_increased_cfg.max_num_decimal_places == 10
+    assert further_increased_cfg.min_num_decimal_places == 2 and further_increased_cfg.max_num_decimal_places == 8
 
     # Test decrementing attribute level
     curriculum.decrement_attr_level("decimal_places")
     decreased_cfg = curriculum.generate_configuration(base_value)
-    assert decreased_cfg.min_num_decimal_places == 3 and decreased_cfg.max_num_decimal_places == 8
+    assert decreased_cfg.min_num_decimal_places == 2 and decreased_cfg.max_num_decimal_places == 6
 
     # Test decrementing attribute level to base level
     curriculum.decrement_attr_level("decimal_places")
     base_level_cfg = curriculum.generate_configuration(base_value)
-    assert base_level_cfg.min_num_decimal_places == 3 and base_level_cfg.max_num_decimal_places == 5
+    assert base_level_cfg.min_num_decimal_places == 2 and base_level_cfg.max_num_decimal_places == 4