Matemáticas mentales Worksheet
Recommended for 1er grado — 5to grado
Matemáticas mentales Worksheet
Name: ____________________Date: ____________
Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.
20 problems
94 − 10 = ______
78 + 20 = ______
92 − 10 = ______
65 + 20 = ______
51 + 10 = ______
16 + 10 = ______
1 × 10 = ______
45 + 10 = ______
38 − 10 = ______
76 + 20 = ______
33 + 10 = ______
13 + 10 = ______
9 × 10 = ______
21 + 20 = ______
81 − 10 = ______
80 + 10 = ______
4 × 10 = ______
46 + 10 = ______
80 − 10 = ______
52 − 10 = ______
