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
3 × 10 = ______
56 + 20 = ______
48 + 10 = ______
76 + 10 = ______
57 + 10 = ______
20 + 10 = ______
1 × 10 = ______
22 − 10 = ______
85 − 10 = ______
59 + 20 = ______
40 − 10 = ______
86 + 20 = ______
6 × 10 = ______
24 + 20 = ______
94 − 10 = ______
50 − 10 = ______
93 − 10 = ______
38 + 20 = ______
8 × 10 = ______
4 × 10 = ______
