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
52 − 10 = ______
36 − 10 = ______
64 + 20 = ______
31 − 10 = ______
24 + 20 = ______
79 − 10 = ______
43 + 10 = ______
2 × 10 = ______
40 − 10 = ______
29 + 10 = ______
8 × 10 = ______
76 − 10 = ______
43 − 10 = ______
35 + 10 = ______
1 × 10 = ______
4 × 10 = ______
56 + 10 = ______
20 + 10 = ______
73 + 10 = ______
33 + 10 = ______
