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
7 × 10 = ______
33 − 10 = ______
84 + 20 = ______
53 − 10 = ______
4 × 10 = ______
8 × 10 = ______
94 − 10 = ______
6 × 10 = ______
20 + 10 = ______
66 + 10 = ______
26 + 10 = ______
76 + 20 = ______
37 − 10 = ______
9 × 10 = ______
1 × 10 = ______
95 − 10 = ______
35 − 10 = ______
97 − 10 = ______
85 + 20 = ______
43 + 10 = ______
