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
48 − 10 = ______
1 × 10 = ______
5 × 10 = ______
58 + 20 = ______
40 − 10 = ______
4 × 10 = ______
24 − 10 = ______
36 + 10 = ______
45 − 10 = ______
80 − 10 = ______
41 + 20 = ______
89 + 10 = ______
9 × 10 = ______
85 + 10 = ______
19 + 20 = ______
38 − 10 = ______
35 + 10 = ______
86 + 20 = ______
92 − 10 = ______
88 + 20 = ______
