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
75 − 10 = ______
1 × 10 = ______
5 × 10 = ______
25 + 20 = ______
36 + 10 = ______
22 + 10 = ______
4 × 10 = ______
50 + 20 = ______
3 × 10 = ______
24 + 20 = ______
86 + 20 = ______
25 + 10 = ______
40 − 10 = ______
94 − 10 = ______
7 × 10 = ______
64 + 10 = ______
13 + 20 = ______
43 + 10 = ______
56 + 20 = ______
43 − 10 = ______
