Page 1 of 2
1 Add or Subtract
Watch the sign carefully — green border = add, red border = subtract.
4.7 + 3.8 =
9.2 − 5.6 =
6.35 + 2.48 =
10.00 − 4.73 =
8.51 − 3.9 =
7.6 + 5.84 =
12.09 + 3.45 =
15.3 − 7.68 =
20.00 − 11.57 =
0.84 + 0.67 =
6.05 − 2.38 =
14.7 + 8.56 =
2 Vertical — Mixed Operations ⬇️
Some add, some subtract. Read each sign!
3 Choose the Sign: + or − ⭕
Write + or − in the circle to make each equation true.
5.3 2.7 = 8.0
9.8 4.3 = 5.5
6.25 1.75 = 8.00
12.40 5.65 = 6.75
3.08 4.92 = 8.00
15.00 7.50 = 7.50
0.67 0.33 = 1.00
10.5 3.8 = 6.7
Page 2 of 2
4 True or False ✅❌
Circle True or False for each equation.
10.0 − 4.5 = 6.5
TrueFalse
7.25 + 1.85 = 9.10
TrueFalse
8.03 − 2.97 = 5.16
TrueFalse
5.5 + 4.50 = 10.0
TrueFalse
12.8 − 7.9 = 4.9
TrueFalse
5 Find the Missing Number 🔍
Fill in the blank to make each equation true.
4.5 + = 9.2
− 3.8 = 6.4
7.63 + = 12.00
18.5 − = 10.75
+ 6.29 = 15.04
20.00 − = 8.33
6 Word Problems 📖
Decide whether to add or subtract, then solve.
- 1. Sara walked 2.35 km in the morning and 1.8 km in the afternoon. How far did she walk in total?
Operation: Equation: Answer: km
- 2. A fish tank was filled with 15.00 liters. After evaporation and drinking, 11.42 liters remained. How much water was lost?
Operation: Equation: Answer: L
- 3. Tom scored 8.75 points in round 1 and 9.6 points in round 2. What is his total?
Operation: Equation: Answer: points
- 4. A bag of flour weighs 5.00 kg. After baking, 2.37 kg is left. The baker then adds a new 1.50 kg bag. What is the total flour now?
Equation: Answer: kg
Ex 1: 8.5, 3.6, 8.83, 5.27, 4.61, 13.44, 15.54, 7.62, 8.43, 1.51, 3.67, 23.26
Ex 2: 9.32, 5.46, 13.02, 7.64, 11.59
Ex 3: +, −, +, −, +, −, +, −
Ex 4: True, False (5.5), True, False (5.06), True, True
Ex 5: 4.7, 10.2, 4.37, 7.75, 8.75, 11.67
Ex 6: 4.15 km, 3.58 L, 18.35 points, 3.87 kg (5.00 − 2.37 + 1.50)