Add and Subtract Decimal

Use the models to find the difference.

• 0.42

• 0.48

• 0.52

• 0.58

Consider the area models. What is the value of the expression modeled by the area models?

• 1.59

• 2.73

• 3.24

• 4.41

The models below are shaded to represent two different decimal numbers. What is the sum of these shaded decimal numbers?

• 4.2

• 3.2

• 3.02

• 2.12

Solve, and then write the sum in standard form. Use a place value chart if necessary.

6 tenths + 3 thousandths = __ thousandths

Give the sum in standard form.

Mathematical Equivalence

ON

Solve, and then write the sum in standard form. Use a place value chart if necessary.

2 thousandths + 9 ones 5 thousandths =

Give the sum in standard form.

Mathematical Equivalence

ON

Solve using standard algorithm. Show your work.

7.32 + 2.894 =

Mathematical Equivalence

ON

Solve using standard algorithm. Show your work.

62.573 + 4.328 =

Mathematical Equivalence

ON

The Wild Basin Wilderness Preserve in Austin has many hiking trails. Creek Loop Trail is 1.12 km longer than Ledge Loop Trail. Yaupon Loop Trail is 0.612 km longer than Creek Loop Trail. If a family walked all 3 trails in a day, how many kilometers would they have walked?

Mathematical Equivalence

ON

Subtract, writing the difference in standard form. You may use a place value chart to solve.

5 ones 9 thousandths – 2 ones = __ ones __thousandths

Give the difference in standard form.

Mathematical Equivalence

ON

Subtract, writing the difference in standard form. You may use a place value chart to solve.

37 thousandths - 16 thousandths = __ thousandths

Give the difference in standard form.

Mathematical Equivalence

ON